Document And Entity Information
Net equity income from foreign joint venture operations:
Note To Financial Statement Details Textual
Significant Accounting Policies
slng_EffectiveIncomeTaxRateReconciliationForeignDividendAmount
Foreign dividend
Amount of reported income tax expense (benefit) from difference to expected income tax expense (benefit) computed by applying statutory federal (national) income tax rate to pretax income (loss) from continuing operation, attributable to foreign dividends.
Note 2 - Revenue Recognition
us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
Income tax benefit using U.S. federal statutory rate
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
slng_PrepaymentOfCapitalAdditionalAndNearWorkingCapital
Prepayment of Capital Additional and Near Working Capital
The prepayment amount for the capital additions and near working capital.
Note 3 - Significant Customers and Concentration of Risks
Note 4 - Prepaid Expenses and Other Current Assets
Note 5 - Property, Plant and Equipment
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Payments
Note 6 - Investment in Foreign Joint Venture
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate
Note 7 - Accrued Liabilities
Note 8 - Debt
Note 9 - Leases
Income Tax Disclosure [Text Block]
Note 11 - Income Taxes
Schedule of Income Before Income Taxes Paid [Table Text Block]
The tabular disclosure for the income before income taxes paid.
Note 13 - Stockholders' Equity and Stock-based Compensation
Note 14 - Supplemental Cash Flow Information
slng_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDividendReceivedAmount
Dividend received deduction
Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to dividends received.
Note 15 - Net Income (Loss) Per Share
us-gaap_LiabilitiesCurrent
Total current liabilities
Note 2 - Revenue Recognition - Disaggregation of Revenue (Details)
Schedule of Maturities of Long-Term Debt [Table Text Block]
Note 3 - Significant Customers and Concentration of Risks - Schedule of Concentration of Significant Customers (Details)
Schedule of Debt [Table Text Block]
Note 4 - Prepaid Expenses and Other Current Assets - Prepaid Expenses and Other Current Assets (Details)
Note 5 - Property, Plant and Equipment, Net - Property, Plant and Equipment (Details)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year)
Note 6 - Investments in Foreign Joint Venture - Summary of Equity Method Investment (Details)
Note 6 - Investment in Foreign Joint Venture - Schedule of Activity in Investment in Foreign Joint Ventures (Details)
Note 7 - Accrued Liabilities - Summary of Accrued Liabilities (Details)
Note 8 - Debt - Summary of Debt (Details)
Note 8 - Debt - Schedule of Expected Maturities of Indebtedness (Details)
Note 8 - Debt - Schedule of Interest Expense (Details)
Note 9 - Leases - Schedule of Lease Assets and Liabilities (Details)
Note 9 - Leases - Schedule of Lease Assets and Liabilities (Details) (Parentheticals)
Note 9 - Leases - Schedule of Lease Costs (Details)
Note 9 - Leases - Schedule of Future Minimum Lease Payments for Operating and Finance Obligation (Details)
Note 9 - Leases - Schedule of Lease Costs and Terms for Operating and Finance Lease Obligations (Details)
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Note 9 - Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Details)
Note 11 - Income Taxes - Income Before Income Taxes Paid (Details)
Note 11 - Income Taxes - Income Tax Expense (Details)
Note 11 - Income Taxes - Reconciliation of Income Taxes (Details)
Vested, weighted average grant date fair value (in dollars per share)
Note 11 - Income Taxes - Schedule of Deferred Tax Assets (Liabilities) (Details)
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
Note 13 - Stockholders' Equity and Stock-based Compensation - Restricted Stock Awards and Restricted Stock Units Activity (Details)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Outstanding, weighted average grant date fair value (in dollars per share)
Outstanding, weighted average grant date fair value (in dollars per share)
Note 13 - Stockholders' Equity and Stock-based Compensation - Summary of Stock Options (Details)
Foreign currency translation adjustment, net of tax
Note 13 - Stockholders' Equity and Stock-based Compensation - Summary of Issuances of Shares of Our Common Stock (Details)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)
Outstanding, shares (in shares)
Outstanding, shares (in shares)
Note 14 - Supplemental Cash Flow Information - Summary of Supplemental Cash Flow Information (Details)
Note 14 - Supplemental Cash Flow Information - Schedule of Income Taxes Paid (Details)
Options vested and exercisable, weighted average remaining contractual term (Year)
Note 15 - Net Income (Loss) Per Share - Schedule of Earnings Per Share (Details)
us-gaap_DebtCurrent
Less: amounts due within one year
Notes To Financial Statements
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)
Notes To Financial Statements [Abstract]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Vested, shares (in shares)
Options vested and exercisable, shares, options (in shares)
Options vested and exercisable, weighted average exercise price (in dollars per share)
Current portion of long-term notes payable
Outstanding, weighted average remaining contractual term (Year)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Year)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value
Granted, options, weighted average grant date fair value (in dollars per share)
slng_OperatingLossCarryforwardsNotEligibleToOffsetFutureIncome
Operating Loss Carryforwards Not Eligible to Offset Future Income
Represents the amount of operating loss carryforward not eligible to offset future income.
Expired, options, weighted average grant date fair value (in dollars per share)
Outstanding, options, weighted average grant date fair value (in dollars per share)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares (in shares)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Outstanding, weighted average exercise price (in dollars per share)
Outstanding, weighted average exercise price (in dollars per share)
Expired, weighted average exercise price (in dollars per share)
Customer deposits and prepayments
Other taxes payable
Granted, weighted average exercise price (in dollars per share)
Accrued liabilities
Total accrued liabilities
Compensation and benefits
Lessee, Finance Leases [Text Block]
Accounts payable
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Outstanding, shares, options (in shares)
Outstanding, shares, options (in shares)
2029 and Thereafter, total
Amount of lessee's undiscounted obligation for lease payment for lease to be paid in after thrird fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period (in shares)
Expired, shares, options (in shares)
Proceeds from sale of fixed assets
Acquisitions of fixed assets included within accounts payable and accrued expenses
Other accrued liabilities
us-gaap_PolicyTextBlockAbstract
Accounting Policies
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost
Share-Based Payment Arrangement, Plan Modification, Incremental Cost
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Payments to Acquire Property, Plant, and Equipment
Acquisition of fixed assets
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)
Product and Service, Other [Member]
Liabilities [Abstract]
Liabilities, Current [Abstract]
Total assets
Total assets
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Plan Name [Axis]
Shareholders' Equity and Share-Based Payments [Text Block]
Plan Name [Domain]
Property, plant and equipment:
us-gaap_OperatingLeaseExpense
Operating Lease, Expense
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
us-gaap_DebtInstrumentVariableInterestRateTypeExtensibleEnumeration
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]
us-gaap_DilutiveSecurities
Dilutive Securities, Effect on Basic Earnings Per Share
us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
Employee tax payments from stock-based withholding
us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount
Foreign taxes, net
Business Description and Basis of Presentation [Text Block]
Award Type [Domain]
Effective Income Tax Rate Reconciliation [Table]
Liquefaction Assets [Member]
Represents liquefaction assets.
Award Type [Axis]
Net income (loss)
Net income (loss)
Earnings
Net income (loss)
Customer two [Member]
Represents customer two.
Customer One [Member]
Represent customer one.
Stock Appreciation Rights (SARs) [Member]
Restricted Stock Units (RSUs) [Member]
us-gaap_InterestCostsCapitalized
Interest Costs Capitalized
Share-Based Payment Arrangement [Member]
Customer Four [Member]
Represent customer four.
Customer Three [Member]
Represents customer three.
Share-Based Payment Arrangement, Option [Member]
Antidilutive Security, Excluded EPS Calculation [Table]
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Loss Contingencies [Table]
Commitments and Contingencies Disclosure [Text Block]
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Less accumulated depreciation
Property, Plant and Equipment, Net
Property, plant and equipment, net
Goodwill
us-gaap_PropertyPlantAndEquipmentGross
Cost
us-gaap_ConstructionInProgressGross
Construction in Progress, Gross
The Modern Group [Member]
Related to the Modern Group.
Long-Term Debt, Type [Axis]
Four Customers [Member]
Related to four customers.
Long-Term Debt, Type [Domain]
Cash settlements from natural gas derivatives, net
The amount of cash settlements from derivatives.
us-gaap_EquityMethodInvestmentOwnershipPercentage
Equity Method Investment, Ownership Percentage
Cash flows from investing activities:
us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet
Other
Earnings Per Share [Text Block]
Investments in foreign joint ventures
Balance
Balance
Related Party Transaction [Table]
Equity in earnings
Income from equity investment in joint venture
Income from equity investment in foreign joint venture
slng_OperatingLeaseMonthlyRentExpense
Operating Lease, Monthly Rent Expense
Amount of monthly rent expense under operating lease.
us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Accounts payable and accrued liabilities
Office Space [Member]
Represents office space.
us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty
Related Party Transaction, Purchases from Related Party
us-gaap_EquityMethodInvestments
Balance, initial investment
Balance, initial investment
Related Party Transactions Disclosure [Text Block]
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income (loss) from operations before equity income
Income tax expense
Income tax expense
CHINA
slng_InsurancePaymentMaximumPaymentDuration
Insurance Payment, Maximum Payment Duration (Year)
Maximum payment duration on company provided insurance.
us-gaap_IncomeTaxPaidFederalAfterRefundReceived
U.S. Federal
us-gaap_IncomeTaxPaidStateAndLocalAfterRefundReceived
Income taxes paid, state
us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Defined Contribution Plan, Employer Discretionary Contribution Amount
U.S. State
Former President and Chief Executive Officer [Member]
Represents Former President and Chief Executive Officer
Foreign
us-gaap_GeneralInsuranceExpense
General Insurance Expense
us-gaap_IncomeTaxPaidForeignAfterRefundReceived
Income taxes paid, foreign
Cash and cash equivalents
us-gaap_InterestExpenseNonoperating
Interest income, net
us-gaap_AllocatedShareBasedCompensationExpense
Share-Based Payment Arrangement, Expense
us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest
Amendment Flag
us-gaap_ComprehensiveIncomeNetOfTax
Total comprehensive income (loss)
City Area Code
Use of Estimates, Policy [Policy Text Block]
us-gaap_DebtInstrumentPeriodicPayment
Debt Instrument, Periodic Payment
New Accounting Pronouncements, Policy [Policy Text Block]
us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Loss (gain) on disposal of assets
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
Common Stock, Shares Outstanding (in shares)
Preferred Stock, Shares Outstanding (in shares)
Current Fiscal Year End Date
us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Debt Instrument, Basis Spread on Variable Rate
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Stated Percentage
us-gaap_LeaseCost
Net lease cost
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expenses and other current assets
us-gaap_DebtInstrumentFairValue
Debt Instrument, Fair Value Disclosure
Operating leases, weighted average discount rate
Document Fiscal Period Focus
Operating lease cost
Document Fiscal Year Focus
Lease, Cost [Table Text Block]
us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
Financing leases
Document Period End Date
us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
Operating leases
Operating leases, weighted average remaining lease term (Year)
Entity File Number
Entity Emerging Growth Company
Document Type
Entity Small Business
Entity Shell Company
Document Information [Line Items]
Document Information [Table]
Service [Member]
Entity Public Float
us-gaap_SeveranceCosts1
Severance Costs
Entity Filer Category
Debt Instrument [Axis]
Entity Current Reporting Status
Debt Instrument, Name [Domain]
Entity Voluntary Filers
Entity Well-known Seasoned Issuer
SIFMA Municipal Swap Rate [Member]
Variable Rate [Domain]
Prime Rate [Member]
us-gaap_AccountsReceivableNet
Accounts Receivable, after Allowance for Credit Loss
Award Timing MNPI Disclosure [Text Block]
us-gaap_GoodwillImpairmentLoss
Goodwill, Impairment Loss
Schedule of Long-Term Debt Instruments [Table]
us-gaap_IncreaseDecreaseInAccountsReceivable
Accounts receivable
Stock-based compensation
Concentration Percentage
ecd_AwardTmgMnpiCnsdrdFlag
Award Timing MNPI Considered [Flag]
Statement of Comprehensive Income [Abstract]
Entity Tax Identification Number
us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
Impairment of Long-Lived Assets to be Disposed of
Entity Central Index Key
Insider Trading Policies and Procedures [Line Items]
Depreciation expense
Entity Registrant Name
ecd_InsiderTrdPoliciesProcAdoptedFlag
Insider Trading Policies and Procedures Adopted [Flag]
Entity [Domain]
MEXICO
Legal Entity [Axis]
Customer Concentration Risk [Member]
Entity Address, Address Line One
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Entity Address, City or Town
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]
Entity Address, Postal Zip Code
Entity Address, State or Province
ecd_NonRule10b51ArrAdoptedFlag
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Concentration Risk Type [Axis]
Material Terms of Trading Arrangement [Text Block]
Concentration Risk Type [Domain]
Entity Common Stock, Shares Outstanding
Trading Arrangements, by Individual [Table]
Accounts Receivable [Member]
Finance Lease and Operating Lease, Liability, Current
Present value of lessee's discounted obligation for lease payments from finance lease and operating lease, classified as current.
Right of Use Assets and Other Assets, Noncurrent
Amount of right of use assets and noncurrent assets classified as other.
Revenue from Contract with Customer Benchmark [Member]
Trading Symbol
us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet
Line of Credit Facility, Increase (Decrease), Net
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Local Phone Number
us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Line of Credit Facility, Commitment Fee Percentage
us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Line of Credit Facility, Remaining Borrowing Capacity
us-gaap_TableTextBlock
Notes Tables
us-gaap_GainLossOnDispositionOfAssets1
Loss (gain) from disposal of fixed assets
us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Line of Credit Facility, Maximum Borrowing Capacity
Related and Nonrelated Parties [Axis]
Related and Nonrelated Parties [Domain]
Common stock issued from vesting of stock-based awards (in shares)
Selling, general and administrative expenses
Provision for credit losses
Accounts Receivable, Credit Loss Expense (Reversal)
Common stock issued from vesting of stock-based awards
Granted, shares, options (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)
Line of Credit Facility, Lender [Domain]
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Lender Name [Axis]
Total liabilities and equity
Total liabilities and stockholders’ equity
UNITED STATES
Accumulated deficit
slng_EquityIncomeForeignJointVentureNet
Net equity income from foreign joint venture operations
Net amount of equity income foreign joint venture.
Total non-current assets
Accumulated other comprehensive income (loss)
slng_OperationsRelatedExpenseForeignJointVenture
Foreign joint venture operating related expenses
Amount of operations related expense for foreign joint venture.
Business Description [Policy Text Block]
Disclosure of accounting policy for business description.
Basis of Presentation and Consolidation [Policy Text Block]
Disclosure of accounting policy regarding basis of presentation and consolidation.
Debt Disclosure [Text Block]
us-gaap_InterestExpense
Total interest expense
Interest expense
us-gaap_InterestExpenseDebt
Changes in operating assets and liabilities:
slng_IncomeLossFromContinuingOperationsBeforeNonoperatingIncomeExpenseIncomeTaxesNoncontrollingInterest
Income (loss) from operations
Amount of income loss from continuing operations before nonoperating income or expense, income taxes and noncontrolling interest.
Bomay [Member]
Represents Bomay.
slng_RepaymentsOfShorttermAndLongtermNotesPayable
Payments on short- and long-term notes payable and finance leases
The cash outflow to pay off short-term and long-term notes payable.
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
Subsequent Event [Member]
Long-term portion of operating lease obligations
Operating lease obligation
Present value of lease liabilities, operating lease
Operating Lease, Liability
slng_TimeCharterDailyRate
Time Charter, Daily Rate
Represents the daily rate of a time charter.
Subsequent Event [Table]
Subsequent Event Type [Axis]
us-gaap_OperatingLeaseLiabilityCurrent
Operating lease obligation
slng_TimeCharterDuration
Time Charter, Duration (Year)
Represents the duration of a time charter.
Subsequent Event Type [Domain]
Operating Lease, Liability, Current, Statement of Financial Position
Subsequent Events [Text Block]
Operating lease assets
Operating Lease, Right-of-Use Asset
Distributions from equity investment in joint venture
Less: dividend distributions
Operating Lease, Right-of-Use Asset, Statement of Financial Position
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Total lease payments, operating lease
us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Less: Interest, operating lease
Present value of lease liabilities, finance leases
Financing cash flows from finance leases
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]
us-gaap_DeferredIncomeTaxExpenseBenefit
Deferred income tax expense (federal, foreign and state)
2028, operating lease
Finance lease assets
Finance Lease, Right-of-Use Asset, Statement of Financial Position
Fair Value Measurement, Policy [Policy Text Block]
Net Investment in Lease, before Allowance for Credit Loss
2026, operating lease
2027, operating lease
Segment Reporting, Policy [Policy Text Block]
Rental [Member]
Represents rental.
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Stock-based compensation expense
Share-Based Payment Arrangement, Noncash Expense
Lessee, Leases [Policy Text Block]
Liquefaction Plants and Systems [Member]
Represents Liquefaction Plants and Systems.
Prepaid Expenses and Other Current Assets [Text Block]
The entire disclosure for prepaid expenses and other current assets.
Earnings Per Share, Policy [Policy Text Block]
Baoji Oilfield Machinery Co Ltd [Member]
Represents Baoji Oilfield Machinery Co Ltd.
Revenue
Revenues
us-gaap_RetainedEarningsUndistributedEarningsFromEquityMethodInvestees
Balance, undistributed earnings
Balance, undistributed earnings
A A Energies Inc [Member]
Represents AA Energies Inc.
Income Tax, Policy [Policy Text Block]
us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments
Accretion (Amortization) of Discounts and Premiums, Investments
us-gaap_DeferredCompensationArrangementWithIndividualCashAwardGrantedAmount
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount
slng_EquityMethodInvestmentSummarizedFinancialInformationAccumulatedStatutoryReserve
Equity Method Investment, Summarized Financial Information Accumulated Statutory Reserve
Amount of accumulated statutory reserve under equity method investment.
Vesting of employee stock awards (1) (in shares)
us-gaap_Depreciation
Depreciation
Depreciation
slng_CommonStockOwnershipPercentage
Common Stock, Ownership Percentage
Represents ownership percentage of common stock owned.
us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation
Employee tax payments from stock-based withholding (in shares)
Tmg [Member]
Represents Tmg.
Chart E&C [Member]
Represents Chart E&C.
Affiliated Entity [Member]
us-gaap_MinimumNetWorthRequiredForCompliance
Banking Regulation, Mortgage Banking, Net Worth, Minimum
Total current assets
Total current assets
us-gaap_UnrealizedGainLossOnDerivatives
Change in unrealized gain on natural gas derivatives
Share-Based Payment Arrangement [Policy Text Block]
Amended And Restated2019 Long Term Incentive Plan [Member]
Represents Amended And Restated2019 Long Term Incentive Plan.
slng_DebtInstrumentCovenantDebtonetworthRatio
Debt Instrument, Covenant, Deb-to-Net-Worth Ratio
Debt to net worth ratio under debt instrument.
Ameri State Bank [Member]
Represents Ameri State Bank.
slng_DebtInstrumentCovenantDebtServiceCoverageRatioMaximum
Debt Instrument, Covenant, Debt Service Coverage Ratio, Maximum
Maximum of debt service coverage ratio under debt instrument.
Non Employee Board Member [Member]
Represents Non Employee Board member.
slng_SharebasedCompensationArrangementBySharebasedPaymentAwardGrantLimit
Share-based Compensation Arrangement by Share-based Payment Award, Grant Limit (in shares)
Number of grant limit under share-based compensation arrangement.
Loan Agreement [Member]
Represents Loan Agreement.
Common stock; $0.001 par value, 37,500,000 shares authorized, 18,596,301 and 18,585,014 shares issued and outstanding at December 31, 2025 and December 31, 2024, respectively
Participant [Member]
Represents participant.
Insurance and Other Note Payable [Member]
Represents insurance and other note payable.
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Common Stock, Shares Authorized (in shares)
Common Stock, Shares Authorized (in shares)
Insurance Notes [Member]
Represents insurance notes.
Common Stock, Shares Issued (in shares)
Secured Term Note [Member]
Represents secured term note.
Common Stock, Par Value (in dollars per share)
Common Stock, Par or Stated Value Per Share (in dollars per share)
Revenue from Contract with Customer [Policy Text Block]
Natural gas derivatives at fair value, current
us-gaap_DeferredTaxAssetsValuationAllowance
Valuation allowance
Lessee, Lease, Description [Table]
Statistical Measurement [Domain]
Foreign currency translation loss
Amount of translation adjustment under equity method investment.
Operating cash flows from operating leases
Maximum [Member]
slng_ForeignCurrencyTranslation
Balance, foreign exchange translation
Balance, foreign exchange translation
Amount of foreign currency translation.
Commitments and Contingencies, Policy [Policy Text Block]
Minimum [Member]
Ownership [Domain]
Schedule of Activity in Investment in Foreign Joint Ventures [Table Text Block]
Tabular disclosure of activity in investments in foreign joint ventures.
Other
Product and Service [Axis]
us-gaap_DeferredTaxAssetsNet
Total deferred tax assets
Product and Service [Domain]
Statistical Measurement [Axis]
Equity in earnings
slng_IncomeLossFromEquityMethodInvestmentsInUndistributedEarnings
Amount of income or loss from equity method investments in undistributed earnings.
us-gaap_FinanceLeaseInterestPaymentOnLiability
Interest paid
Investment, Name [Domain]
Cadence Bank [Member]
Represents Cadence Bank.
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Ownership [Axis]
Preferred stock; $0.001 par value, 1,000,000 shares authorized, no shares issued and outstanding at December 31, 2025 and December 31, 2024
Net remaining basis difference, net at end of period
Net amount of remaining basis difference under equity method investment.
us-gaap_DeferredTaxAssetsLiabilitiesNet
Net deferred tax liabilities
Preferred Stock, Shares Issued (in shares)
slng_EquityMethodInvestmentAccumulatedAccretion
Less accumulated accretion
Amount of accumulated accretion under equity method investment.
us-gaap_InterestPaidNet
Interest paid
Cash Flow, Supplemental Disclosures [Text Block]
Investment, Name [Axis]
Other
us-gaap_DeferredTaxAssetsOther
Property, Plant and Equipment Disclosure [Text Block]
Geographical [Axis]
Property, Plant and Equipment [Table Text Block]
Geographical [Domain]
Preferred Stock, Shares Authorized (in shares)
Preferred Stock, Shares Authorized (in shares)
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
us-gaap_DeferredIncomeTaxLiabilities
Total deferred tax liabilities
Prepaid supplier expenses
slng_MinimumNetWorthRequiredForComplianceIncreasePercentage
Minimum Net Worth Required For Compliance Increase Percentage
The increase percentage of amount of minimum net worth required for mortgage banking as defined by regulatory framework.
Inventories, net
Preferred Stock, Par Value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share (in dollars per share)
Prepaid insurance
FLORIDA
Customer [Axis]
Basis of intangible assets
us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets
Customer [Domain]
us-gaap_ProceedsFromInsurancePremiumsCollected
Insurance premium financing
LOUISIANA
Property, Plant and Equipment, useful life (Year)
Construction in Progress [Member]
Cash flows from operating activities:
Separation and Consulting Agreement [Member]
Relating to a separation and consulting agreement.
Statement [Line Items]
us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Accounts Receivable, Allowance for Credit Loss, Current
TEXAS
slng_ConsultingAgreementMonthlyPayment
Consulting Agreement, Monthly Payment
Represents the monthly payment for a consulting agreement.
Accounts Receivable
Additional paid-in capital
Accrued compensation
us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation
AOCI Attributable to Parent [Member]
Stockholders’ Equity:
Capital loss carryforward
us-gaap_DeferredTaxAssetsCapitalLossCarryforwards
Leasehold Improvements [Member]
Property, Plant and Equipment, Policy [Policy Text Block]
Property, Plant and Equipment [Table]
Board of Directors Chairman [Member]
Other income (expense), net
Long-Lived Tangible Asset [Axis]
us-gaap_NonoperatingIncomeExpense
Total other income (expense)
Long-Lived Tangible Asset [Domain]
Current assets:
us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration
Federal net operating loss carryforward
us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
Cash and cash equivalents, beginning of year
Cash and cash equivalents, end of year
Deposits
Inventory, Policy [Policy Text Block]
Assets [Abstract]
Effect of exchange rate changes on cash
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Net increase (decrease) in cash and cash equivalents
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash used in financing activities
Total liabilities
Total liabilities
Commitments and contingencies (Note 12)
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash provided by operating activities
Other income (expense):
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash used in investing activities
Prepaid expenses and other current assets
Total prepaid expenses and other current assets
Cost of revenues
us-gaap_GrossProfit
Gross profit
Counterparty Name [Axis]
Counterparty Name [Domain]
Derivatives, Policy [Policy Text Block]
Original basis difference
Condensed Cash Flow Statement [Table]
us-gaap_AccountsPayableCurrentAndNoncurrent
Accounts Payable
us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
Employee tax payments from stock-based withholding
Basis of property, plant and equipment
us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Prepaid expenses
us-gaap_DeferredTaxLiabilitiesPrepaidExpenses
Equity Method Investment [Table]
slng_PolicyTable
Nonrelated Party [Member]
Equity Method Investments and Joint Ventures Disclosure [Text Block]
Equity Method Investments [Table Text Block]
us-gaap_CostsAndExpenses
Total operating expenses
Schedule of Interest Expense on Debt [Table Text Block]
Tabular disclosure for interest expense on debt.
Operating expenses:
Scenario [Domain]
Forecast [Member]
New Office Lease [Member]
New Office Lease
Retained Earnings [Member]
Revenues
Revenue from Contract with Customer, Excluding Assessed Tax
Title and Position [Domain]
us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Current state income tax expense
Title and Position [Axis]
Scenario [Axis]
slng_FinanceLeaseLiabilityIncludingRelatedPartiesCurrent
Finance lease obligation
The amount of finance lease liability including related parties, classified as current.
us-gaap_CurrentForeignTaxExpenseBenefit
Current foreign income tax expense
slng_LeaseRightOfUseAsset
Total lease assets
Lease right of use asset.
Schedule of Lease Assets and Lease Liability Obligations [Table Text Block]
Tabular disclosure of lease assets and lease liability obligations.
Deferred Rent Credit
Present value of lease liabilities, total
Total lease liabilities
The amount of lease liability.
Additional Paid-in Capital [Member]
Common Stock [Member]
2028, total
Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
2027, total
Amount of lessee's undiscounted obligation for lease payment for lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
slng_LeaseLiabilityPaymentsDue
Total lease payments, total
The amount of payments due from lease liability.
Equity Components [Axis]
Equity Component [Domain]
Schedule of Future Minimum Rental Payments for Operating and Financing Leases [Table Text Block]
Tabular disclosure for future minimum rental payments for operating and financing leases.
us-gaap_LongTermDebt
Long-Term Debt
Total long-term debt, including current maturities
2026, total
Amount of lessee's undiscounted obligation for lease payment for lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Stock, Class of Stock [Table]
us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Year)
us-gaap_RevenueRemainingPerformanceObligation
Revenue, Remaining Performance Obligation, Amount
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Schedule of Lease Term and Discount Rates Operating and Finance Lease Obligations [Table Text Block]
Tabular disclosure for lease term and discount rate for operating and finance lease obligations.
slng_LeaseLiabilityUndiscountedExcessAmount
Less: Interest, total
Lease, liability, undiscounted excess amount.
Supplemental Cash Flow Information Related to Leases [Table Text Block]
Tabular disclosure of supplemental cash flow information related to leases.
Basis in foreign entity
slng_DeferredTaxLiabilitiesBasisInForeignEntity
The amount of deferred tax liabilities from basis in foreign entity.
Income (loss) pre-tax
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Net income (loss) before income tax expense
slng_LongtermDebtNetOfDebtIssuanceCostsExcludingLeases
Long-Term Debt, Net of Debt Issuance Costs, Excluding Leases
Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt, excluding lease obligation.
slng_OperatingLossCarryforwardsSubjectToExpiration
Operating Loss Carryforwards, Subject to Expiration
The amount of operating loss carryforwards subject to expiration.
Mexican Tax Authority [Member]
Stock compensation
slng_DeferredTaxAssetsDifferenceInCompensationExpenseFromStockOptions
The amount of deferred tax assets from difference in compensation expense from stock options.
ICFR Auditor Attestation Flag
us-gaap_LineOfCredit
Long-Term Line of Credit
us-gaap_PaymentsOfDebtIssuanceCosts
Payment of debt issuance costs
State and Local Jurisdiction [Member]
Vehicles [Member]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Domain]
us-gaap_RealizedAndUnrealizedGainLossInvestmentAndDerivativeOperatingAfterTax
Realized and unrealized losses from natural gas derivatives, net
Income Tax Jurisdiction [Axis]
Disaggregation of Revenue [Table Text Block]
Income Tax Jurisdiction [Domain]
Disaggregation of Revenue [Table]
Domestic Tax Jurisdiction [Member]
Foreign Tax Jurisdiction [Member]
Revenue from Contract with Customer [Text Block]
Document Annual Report
Accounts Receivable [Policy Text Block]
Computer Equipment [Member]
Cash and Cash Equivalents, Policy [Policy Text Block]
Entity Incorporation, State or Country Code
us-gaap_UnrecognizedTaxBenefits
Unrecognized Tax Benefits
Long-Term Debt
Long-Term Debt, Gross
Accounting Policies [Abstract]
Document Transition Report
Document Financial Statement Error Correction [Flag]
Concentration Risk Disclosure [Text Block]
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
Concentration Risk [Table]
Entity Interactive Data Current
Security Exchange Name
Title of 12(b) Security
Equity Method Investment, Nonconsolidated Investee [Axis]
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Equity Method Investment, Nonconsolidated Investee [Domain]
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Auditor Name
Income Tax Contingency [Table]
Natural Gas, Gathering, Transportation, Marketing and Processing [Member]
Auditor Firm ID
Auditor Location
Dilutive securities (in shares)
us-gaap_SharePrice
Share Price (in dollars per share)
us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)
Diluted (in shares)
Total shares including dilutive securities (in shares)
us-gaap_PurchaseObligation
Purchase Obligation
us-gaap_OperatingLossCarryforwards
Operating Loss Carryforwards
Scenario, Plan [Member]
Statement [Table]
Statement of Financial Position [Abstract]
Basic weighted average number of common shares outstanding (in shares)
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Basic and diluted per common share (in dollars per share)
Net income (loss) per common share (Note 15):
Statement of Cash Flows [Abstract]
Lease Contractual Term [Domain]
Statement of Stockholders' Equity [Abstract]
Lease Contractual Term [Axis]
Other comprehensive loss, net of tax
Income Statement [Abstract]
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
2028
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
2029
Options vested and exercisable, options, weighted average grant date fair value (in dollars per share)
The amount of grant date fair value of options vested and exercisable under share based payment arrangement.
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
2030
us-gaap_LesseeOperatingLeaseRemainingLeaseTerm
Lessee, Operating Lease, Remaining Lease Term (Year)
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
Thereafter
Schedule of Accrued Liabilities [Table Text Block]
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
2026
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
2027
Real Property and Buildings [Member]
Related to real property and buildings.
Interest from leases
us-gaap_FinanceLeaseLiabilityPaymentsDue
Total lease payments, finance leases
Amortization of leased assets
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount
Less: Interest, finance leases
2026, finance leases
2027, finance leases
2028, finance leases
Accounting Standards Update and Change in Accounting Principle [Table]
Offsetting Liabilities [Table]
Finance leases, weighted average discount rate
Asset Acquisition, Contingent Consideration, Liability, Current
Finance leases, weighted average remaining lease term (Year)
Cash flows from financing activities:
us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
Change in valuation allowance
Secured term note payable, related party [Member]
Related to secured term note payable, related party.
Proceeds from notes receivable, related to prior sale of Brazil operations
Offsetting Assets [Table]
Total joint ventures’ equity
Total stockholders’ equity
Balance
Balance
us-gaap_OptionIndexedToIssuersEquityStrikePrice1
Option Indexed to Issuer's Equity, Strike Price (in dollars per share)
us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
Net
us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization
Less: accumulated depreciation
us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther
Other
Three Customers [Member]
Represents three customers.
Class of Stock [Axis]
Property, Plant and Equipment
us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
Officer's compensation
Total long-term debt, net of debt issuance costs
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Schedule of Stockholders Equity [Table Text Block]
2029 and Thereafter, finance leases
Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
us-gaap_IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment
Meals and entertainment
2029 and Thereafter, operating lease
Amount of lessee's undiscounted obligation for lease payment for operating lease due after third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Long-term notes payable, net of current portion and debt issuance costs
Time Charter Agreement Marine Bunkering Vessel [Member]
Represents the lease for the Time Charter Agreement - Marine Bunkering Vessel.
Schedule of Income Taxes Paid [Table Text Block]
The tabular disclosure presenting the income taxes paid during the reported periods.
LGN Remote Power Generation Contract at a Data Center [Member]
Represents the lease entered for Remote Power Generation Contract at a Data Center.
us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
State income tax expense, net
Other receivables
us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential
Foreign tax rate differential - Mexico