Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]
Cybersecurity Risk Management Processes Integrated [Flag]
Cybersecurity Risk Management Processes Integrated [Text Block]
Cybersecurity Risk Management, Strategy, and Governance [Abstract]
Cybersecurity Risk Management, Strategy, and Governance [Line Items]
Cybersecurity Risk Management Third Party Engaged [Flag]
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]
Property, Plant and Equipment and Long-Lived Asset Impairment
Property, Plant and Equipment, Impairment [Policy Text Block]
Segment Reporting
Segment Reporting, Policy [Policy Text Block]
Revenue Recognition
Revenue from Contract with Customer [Policy Text Block]
Leases
Revenue Recognition, Leases [Policy Text Block]
Income Taxes
Income Tax, Policy [Policy Text Block]
Schedule of Loss from Discontinued Operations
Disposal Groups, Including Discontinued Operations [Table Text Block]
Schedule of Changes in the Company's Asset Retirement and Reclamation Liabilities
Schedule of Change in Asset Retirement Obligation [Table Text Block]
Translation of Foreign Currencies
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Schedule of Prepaid Expenses and Other Assets
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
Property, Plant and Equipment, Net [Abstract]
Prepaid Expenses and Other Assets [Abstract]
Summary of Significant Accounting Policies [Abstract]
Basis of Consolidation
Consolidation, Policy [Policy Text Block]
Cash and Cash Equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]
Mining Properties, Exploration and Development Costs
Oil and Gas, Internal Cost Capitalization [Policy Text Block]
Asset Retirement Obligations
Asset Retirement Obligations, Policy [Policy Text Block]
Value Added Taxes
Value Added Taxes Policy [Text Block]
Disclosure of accounting policy for value added taxes.
Stock-Based Compensation
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Net Income (Loss) per Share of Common Stock
Earnings Per Share, Policy [Policy Text Block]
Recently Issued Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Assets Held for Sale and Discontinued Operations [Abstract]
Schedule of Changes in the Company's Asset Retirement and Reclamation Liabilities [Abstract]
Schedule of Carrying Amounts of Major Classes of Assets and Liabilities of Discontinued Operations
Schedule of Other Assets and Other Liabilities [Table Text Block]
Assets Held for Sale and Discontinued Operations
Asset Held for Sale and Discontinued Operations [Policy Text Block]
Disclosure policy of asset held for sale and discontinued operations.
Schedule of Research and Development Arrangement, Contract to Perform for Others [Table]
Current liabilities
Total current liabilities
Liabilities, Current
Disposal Group Name [Domain]
Sale of assets
Proceeds from Sale of Other Assets
Range [Domain]
Maximum [Member]
Property, Plant and Equipment, Type [Axis]
Building [Member]
Useful life
Property, Plant and Equipment, Useful Life
Other furniture and equipment [Member]
Other furniture and equipment [Member]
Office Equipment [Member]
Aggregate purchase price
Asset Sale Agreement, Consideration Agreed
Amount of consideration received or receivable for the sale of assets under asset sale agreement.
Transaction pursuant to Butte would acquire shares
Discontinued Operations, Percentage of Equity Interest To Be Sold
Represents the percentage of equity interest to be sold.
Schedule of Accounts Payable and Other Accrued Liabilities
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
Other Liabilities
Fair Value Measurements [Abstract]
Schedule of Reconciliation of the Provision for Income Taxes
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Geographical [Axis]
MEXICO
MEXICO
Value added tax receivable
Value added tax receivable, net (Note 7)
Value Added Tax Receivable, Current
Property, Plant and Equipment, Net [Line Items]
Schedule of Components of Property, Plant and Equipment, Net [Line Items]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Table]
Property, Plant and Equipment, Type [Domain]
Lessee, Lease, Description [Table]
Cash and cash equivalents
Cash and cash equivalents (Note 5)
Cash and Cash Equivalents, at Carrying Value
Statement of Income Location, Balance [Axis]
Statement of Income Location, Balance [Domain]
Sale of Metals [Member]
Sales [Member]
Assets
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Liabilities
Disposal Group, Including Discontinued Operation, Liabilities [Abstract]
Property, plant and equipment, net
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment
Total assets held for sale
Disposal Group, Including Discontinued Operation, Assets, Total
Deferred revenue
Disposal Group, Including Discontinued Operation, Deferred Revenue, Current
Other current liabilities
Disposal Group, Including Discontinued Operation, Other Liabilities, Current
Total current liabilities held for sale
Current liabilities held for sale (Note 4)
Disposal Group, Including Discontinued Operation, Liabilities, Current, Total
Total liabilities held for sale
Disposal Group, Including Discontinued Operation, Liabilities, Total
Asset retirement and reclamation liabilities
Disposal Group Including Discontinued Operation Asset Retirement And Reclamation Liabilities Noncurrent
Amount classified as asset retirement and reclamation liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer.
Project [Axis]
Project [Domain]
Yoquivo Project [Member]
Number of minor mining concessions
Number Of Minor Mining Concession
Number of minor mining concessions.
Rodeo Property [Member]
Asset retirement obligation
Asset retirement obligation
Beginning balance
Ending balance
Asset Retirement Obligation
Settlement of VAT obligations
Settlement of VAT Obligations
Represents the amount of settlement of VAT obligations.
Ownership interest
Discontinued Operation, Equity Method Investment Retained after Disposal, Ownership Interest before Disposal
Accounts Payable and Other Accrued Liabilities [Table]
Accounts Payable and Other Accrued Liabilities [Line Items]
Accounts Payable and Other Accrued Liabilities [Line Items]
Other operating income (expense), net
Disposal Group Including Discontinued Operation Other Operating Income (Expense), Net
Amount of other operating income (expense), net attributable to disposal group, including, but not limited to, discontinued operation.
Depreciation and amortization
Disposal Group, Including Discontinued Operation, Depreciation and Amortization
Silex Argentina [Member]
Silex Argentina Sa [Member]
Represents information pertaining to Silex Argentina S.A.
Minera de Cordilleras [Member]
Minera De Cordilleras S De Rl De Cv [Member]
Represents information pertaining to Minera de Cordilleras S. de R.L. de C.V .
Sale, not Discontinued Operations [Member]
Sale, not discontinued operations
Assets Held for Sale and Discontinued Operations [Line Items]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group Classification [Axis]
Non-refundable deposit
Disposal Group, Including Discontinued Operation, Consideration, Non Refundable Deposit
Amount of consideration received for the disposal of assets and liabilities, including discontinued operation as non-refundable deposit.
Asset Impairment Charges
Asset impairment charge
ARO liabilities sold
Asset Retirement Obligation, Liabilities Settled
VAT receivables offset against VAT payable
Value Added Tax Receivable, Offset Against Payables
Carrying amount as of the balance sheet date of value added taxes receivable that have been offset against value added taxes payable.
Value Added Tax Receivable, Net [Line Items]
Receivables with Imputed Interest [Line Items]
Geographical [Domain]
Value Added Tax Receivable, Net [Table]
Receivable with Imputed Interest [Table]
Recoupable deposits and other
Deposits Assets, Current
Changes in estimates, and other
Changes in estimates, and other
Asset Retirement Obligation, Revision of Estimate
Investment, Name [Domain]
Cash and Cash Equivalents and Investments [Line Items]
Liquidity, Capital Resources and Going Concern [Line Items]
Cash and Cash Equivalents [Line Items]
Value Added Tax [Member]
Value Added Tax [Member]
Auditor Name
Auditor Firm ID
Auditor Location
Auditor Opinion [Text Block]
Income Statement [Abstract]
Unvested restricted stock units
Unvested Restricted Stock Units
Number of unvested restricted stock units.
Warrants to purchase Shares
Number of warrants to purchase.
Potentially dilutive shares
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Employee Stock Option
Tax expense (benefit) at U.S. rate of 21%, Percentage
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Rate differential of other jurisdictions, Percentage
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
Interest and Other Income (Expense), Net [Abstract]
Loss Contingencies [Table]
Number of former employees employed by subsidiaries
Number Of Former Employees Of Subsidiaries
Number of former employees employed by our subsidiaries.
Subsequent Event [Table]
Subsequent Event Type [Domain]
Segments [Axis]
Provision to tax return true-ups, Amount
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount
Expired net operating losses, Amount
Effective Income Tax Rate Reconciliation, Expired Net Operating Losses
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to expired net operating losses.
Income tax provision
Income tax provision
Income taxes (Note 13)
Income Tax Expense (Benefit)
Deferred tax assets:
Deferred Tax Assets, Net [Abstract]
Capital loss carryforwards
Deferred Tax Assets, Capital Loss Carryforwards
Stock-based compensation
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
Other
Deferred Tax Assets, Other
Less: Valuation allowance
Valuation allowance
Deferred Tax Assets, Valuation Allowance
Deferred tax liabilities:
Deferred Tax Liabilities, Net [Abstract]
Other
Deferred Tax Liabilities, Other
Net deferred tax asset (liability)
Deferred Tax Liabilities, Net
Equity [Abstract]
Number of shares, outstanding at beginning of year
Number of shares, outstanding at end of year
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Number of shares, restrictions lifted during the year
Awards vested on grant date (in shares)
Number of shares, forfeited during the year
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
RSUs [Member]
Restricted Stock Units (RSUs) [Member]
Weighted average grant date fair value per share, outstanding at beginning of year
Weighted average grant date fair value per share, outstanding at end of year
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Weighted average grant date fair value per share, restrictions lifted during the year
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Interest and other income
Interest and Other Income.
Commitments and Contingencies [Abstract]
Commitments and Contingencies [Line Items]
Loss Contingencies [Line Items]
Estimate of possible loss
Loss Contingency, Estimate of Possible Loss
Subsequent Events [Abstract]
Income Taxes [Abstract]
Tax expense (benefit) at U.S. rate of 21%, Amount
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Rate differential of other jurisdictions, Amount
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
Change in valuation allowance, Amont
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
Fair Value, off-Balance-Sheet Risk [Table]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Domain]
Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Level 2 [Member]
Fair Value, Inputs, Level 2 [Member]
Level 3 [Member]
Fair Value, Inputs, Level 3 [Member]
Schedule of Financial Assets and Liabilities Measured on a Recurring Basis at Fair Value [Line Items]
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]
Cash and cash equivalents
Cash and Cash Equivalents, Fair Value Disclosure
Assets
Assets, Fair Value Disclosure, Total
Schedule of Other Current Liabilities [Abstract]
Operating lease liability
Operating Lease, Liability, Current
Other current liabilities
Other current liabilities (Note 11)
Other Liabilities, Current
Insurance premium financing
Other Liabilities Current Financing
Represents the amountof other liabilities current financing.
Schedule of Accounts Payable and Other Accrued Liabilities [Abstract]
Accounts payable and accruals
Accounts Payable, Other, Current
Accrued employee compensation and benefits
Accrued Employee Benefits, Current
Income taxes payable (Note 13)
VAT payable
Taxes Payable, Current, Total
Accounts payable and other accrued liabilities
Accounts payable and other accrued liabilities
Accounts payable and accruals
Accounts Payable and Other Accrued Liabilities, Current
Mining equipment and machinery [Member]
Mining equipment and machinery [Member]
Machinery and Equipment [Member]
Property, plant and equipment, gross
Property, Plant and Equipment, Gross, Total
Less: Accumulated depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total
Property, plant and equipment, net
Property, plant and equipment, net (Note 8)
Property, Plant and Equipment, Net, Total
Related and Nonrelated Parties [Domain]
Avisar [Member]
Avisar [Member]
Directors [Member]
Director [Member]
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Tax expense (benefit) at U.S. rate
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Percent
Percentage of domestic federal statutory tax rate applicable to pretax income (loss).
Schedule of Reconciliation of the Provision for Income Taxes [Abstract]
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Related Party Transactions [Abstract]
Related Party Transaction [Table]
Related Party Transactions [Line Items]
Related Party Transaction [Line Items]
Incurred consulting services
Professional Fees
Amendment Flag
City Area Code
Cover [Abstract]
Current Fiscal Year End Date
Document Annual Report
Document Financial Statement Error Correction [Flag]
Document Fiscal Period Focus
Document Fiscal Year Focus
Document Period End Date
Documents Incorporated by Reference [Text Block]
Document Transition Report
Document Type
Entity Address, Address Line One
Entity Address, City or Town
Entity Address, Postal Zip Code
Entity Address, State or Province
Corporate and Other
Corporate administrative and exploration
Schedule of Reconciliation of the Beginning and Ending Amount of Gross Unrecognized Tax Benefits [Abstract]
Gross unrecognized tax benefits at beginning of period
Gross unrecognized tax benefits at end of period
Unrecognized Tax Benefits, Beginning Balance
Increases for tax positions taken during prior years
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions
Decreases relating to settlements with taxing authorities
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities
Reductions due to lapse of statute of limitations
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations
Domestic loss
Income (Loss) from Continuing Operations before Income Taxes, Domestic
Foreign loss
Income (Loss) from Continuing Operations before Income Taxes, Foreign
Operating loss carryforwards
Operating Loss Carryforwards
Operating Loss Carryforwards [Table]
Income Taxes [Line Items]
Operating Loss Carryforwards [Line Items]
U.S. [Member]
UNITED STATES
Operating loss carryforwards with no expiration
Operating Loss Carryforwards With No Expiration
Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws that do not expire.
Related and Nonrelated Parties [Axis]
Minera William S.A. de C.V [Member]
Spain [Member]
SPAIN
Other Countries [Member]
Effects of foreign earnings
Effects of foreign earnings, Amount
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount
Payment of for legal settlement
Payments for Legal Settlements
Severance costs
Severance Costs
Loss contingency accrual expenses
Loss Contingency Accrual, Beginning Balance
Number of labor claims
Loss Contingency, New Claims Filed, Number
Restructuring Type [Axis]
Type of Restructuring [Domain]
Employee Severance [Member]
Outstanding balance of fees
Litigation Settlement, Fee Expense
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period
Tax Jurisdiction of Domicile [Extensible Enumeration]
Related party owing amount
Related Party Transaction, Amounts of Transaction
Directors fees and expense reimbursements
Director Fee
Statement of Financial Position [Abstract]
Exploration expense
Exploration Expense, Gross
Represents, exploration expenses which includes property holding costs and costs incurred by the local exploration of the reporting entity.
Total costs and expenses
Costs and Expenses
Costs and expenses:
Costs and Expenses [Abstract]
Depreciation expense
Depreciation expense
Depreciation
Loss from operations before income taxes and discontinued operations
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax, Total
Net income (loss) per common share – basic
Earnings Per Share, Basic
Net income (loss) per common share – basic
Earnings Per Share, Basic [Abstract]
Net income (loss) per common share – diluted
Earnings Per Share, Diluted, Total
Net income (loss) per common share – diluted
Earnings Per Share, Diluted [Abstract]
Gain (loss) on foreign currency transactions
Foreign Currency Transaction Gain (Loss), before Tax
Administrative expense
General and Administrative Expense
Loss from continuing operations
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent
Continuing operations
Income (Loss) from Continuing Operations, Per Basic Share
Continuing operations
Income (Loss) from Continuing Operations, Per Diluted Share
Income (loss) from discontinued operations, net of taxes (Note 4)
(Income) loss from discontinued operations
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent
Interest and Other Income (Expense), Net
Interest and Other Income [Text Block]
Statement [Line Items]
Consolidated Statements Of Changes In Equity [Abstract]
Statement [Table]
Balance
Balance
Shareholders' equity (deficit)
Equity, Attributable to Parent, Total
Stock compensation accrued and restricted stock awards granted (Note 14) (in shares)
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total
Stock compensation accrued and restricted stock awards granted (Note 14)
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures, Total
Common stock shares relinquished to pay taxes
Common Stock Shares Relinquished To Pay Taxes
Common Stock Shares Relinquished To Pay Taxes
Right-of-use assets
Increase (Decrease) In Right Of Use Assets
The amount of increase (decrease) during the reporting period of right of use asset of operating leases.
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Entity Central Index Key
Entity Common Stock, Shares Outstanding
Entity Current Reporting Status
Entity Emerging Growth Company
Entity File Number
Entity Filer Category
Entity Incorporation, State or Country Code
Entity Interactive Data Current
Entity Public Float
Entity Registrant Name
Entity Shell Company
Entity Small Business
Entity Tax Identification Number
Entity Voluntary Filers
Entity Well-known Seasoned Issuer
ICFR Auditor Attestation Flag
Local Phone Number
Title of 12(g) Security
Accounts payable and other accrued liabilities (Note 10)
Accounts Payable and Accrued Liabilities, Current
Additional paid-in capital
Additional Paid in Capital, Common Stock
Total assets
Assets
Assets
Assets [Abstract]
Total current assets
Current assets
Assets, Current
Current assets
Assets, Current [Abstract]
Current assets held for sale (Note 4)
Disposal Group, Including Discontinued Operation, Assets, Current
Commitments and contingencies (Note 16)
Commitments and Contingencies.
Common stock, $.01 par value, 100,000,000 shares authorized; 15,053,048 and 15,053,048 shares issued and outstanding, respectively
Common Stock, Value, Issued
Assets held for sale (Note 4)
Disposal Group, Including Discontinued Operation, Assets, Noncurrent
Total liabilities
Liabilities
Value Added Tax Receivable, Net [Abstract]
Property, Plant and Equipment, Net
Property, Plant and Equipment Disclosure [Text Block]
Right-of-Use Assets [Abstract]
Right-of-Use Assets
Lessee, Operating Leases [Text Block]
Non-Rule 10b5-1 Arrangement Modified
No definition available.
Accounts Payable and Other Accrued Liabilities
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Accounts Payable and Other Accrued Liabilities [Abstract]
Other Liabilities
Other Liabilities Disclosure [Text Block]
Fair Value Measurements
Fair Value Disclosures [Text Block]
Income Taxes
Income Tax Disclosure [Text Block]
Equity
Stockholders' Equity Note Disclosure [Text Block]
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Rule 10b5-1 Arrangement Modified
No definition available.
Foreign Currency
Foreign Currency Disclosure [Text Block]
Related Party Transactions
Related Party Transactions.
Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]
Cybersecurity Risk Board of Directors Oversight [Text Block]
Cybersecurity Risk Management Positions or Committees Responsible [Flag]
Schedule of Reconciliation of the Beginning and Ending Amount of Gross Unrecognized Tax Benefits
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Sand Canyon [Member]
Sand Canyon
Represents information pertaining to Yoquivo Sand Canyon.
Investment ownership percentage
Equity Method Investment, Ownership Percentage
Equity Method Investment [Table]
Schedule of Components of Property, Plant and Equipment, Net
Property, Plant and Equipment [Table Text Block]
Schedule of Other Current Liabilities
Schedule of other current liabilities
Schedule of Financial Assets and Liabilities Measured on a Recurring Basis at Fair Value
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
Schedule of Components of the Deferred Tax Assets and Deferred Tax Liabilities
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Restricted Stock Grants
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
Schedule of Common Stock Warrants Outstanding
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
Nature of Operations [Line Items]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Nature of Operations [Abstract]
Investment, Name [Axis]
Liquidity, Capital Resources and Going Concern [Abstract]
Disposal Group Name [Axis]
Range [Axis]
Minimum [Member]
Summary of Significant Accounting Policies [Line Items]
Change in Accounting Estimate [Line Items]
Ownership percentage of subsidiaries
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions
Number of reportable operating segment
Number of Reportable Segments
Description of CODM
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]
Velardeña Mines [Member]
Disposal Groups, Including Discontinued Operations [Table]
Total revenue
Disposal Group, Including Discontinued Operation, Revenue
Exploration and other operation costs
Disposal Group, Including Discontinued Operation, Exploration
Amount of exploration attributable to disposal group, including, but not limited to, discontinued operation.
Asset impairment expense
Disposal Group Including Discontinued Operation Asset Impairment Expense
Disposal Group Including Discontinued Operation Asset Impairment Expense
Gain on sale of assets held for sale
Disposal Group, Including Discontinued Operation, Gain on Sale of Assets Held for Sale
Amount of gain loss on sale of assets held for sale attributable to disposal group, including, but not limited to, discontinued operation.
Total costs and expenses
Disposal Group, Including Discontinued Operation, Operating Costs and Expenses
Amount of operating costs and expense attributable to disposal group, including, but not limited to, discontinued operation.
Income (loss) from discontinued operations before income taxes
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax
Loss from discontinued operations, net of taxes
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
Disposal Group Classification [Domain]
Prepaid insurance
Prepaid Insurance
Prepaid expenses and other assets
Prepaid expenses and other assets (Note 6)
Prepaid Expense and Other Assets, Current
Number of equity securities in equity security without readily determinable fair value
Number of Equity Securities Investments, without Readily Determinable Fair Value
The number of equity securities accounted as investments in equity security without readily determinable fair value.
Financial institutions minimum net worth
Banking Regulation, Mortgage Banking, Net Worth, Minimum
Schedule of Prepaid Expenses and Other Assets [Abstract]
Cash and Cash Equivalent [Table]
Income taxes
Discontinued Operation, Tax Effect of Discontinued Operation
Discontinued Operations, Held-for-Sale [Member]
Discontinued Operations, Held-for-Sale [Member]
Schedule of Carrying Amounts of Major Classes of Assets and Liabilities of Discontinued Operations [Abstract]
Minera Labri [Member]
Minera Labri [Member]
Represents information pertaining to Minera Labri.
Sale of Discontinued Operations [Member]
Discontinued Operations, Disposed of by Sale [Member]
Proceeds from sale of assets
Proceeds from sale of assets
Total purchase price
Disposal Group, Including Discontinued Operation, Consideration
Accretion expense
Asset Retirement Obligation, Accretion Expense
Right-of-Use Assets [Line Items]
Lessee, Lease, Description [Line Items]
Lease liability
Operating Lease, Liability
Golden Gryphon Explorations Inc. [Member]
Golden Gryphon Explorations Inc [Member]
Represents information pertaining to Golden Gryphon Explorations Inc. ("GGE").
Investment in Golden Gryphon Explorations Inc.
Payments to Acquire Long-term Investments
Cash and Cash Equivalents and Investments [Abstract]
Proceeds from sale of subsidiary
Proceeds from Divestiture of Businesses
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Cost of metals sold
Disposal Group, Including Discontinued Operation, Costs of Goods Sold
Reclamation expense
Disposal Group, Including Discontinued Operation, Reclamation Expense
Amount of reclamation expense attributable to disposal group, including, but not limited to, discontinued operation.
Colorado [Member]
COLORADO
Right-of-use assets (Note 9)
Operating Lease, Right-of-Use Asset
Future lease payments discount rate
Lessee, Operating Lease, Discount Rate
Velardena Properties [Member]
Velardena Properties [Member]
Represents information pertaining to Velardena mineral and exploration properties of the entity.
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Sales Agreements [Member]
Santa Isabel Mineral Properties [Member]
Schedule of Common Stock Warrants Outstanding [Table]
Class of Warrant or Right [Table]
Class of Warrant or Right [Domain]
June 2023 Warrants
June 2023 [Member]
Represents the information pertaining to June 2023 warrants.
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Equity [Table]
Equity
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, granted during the year
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Number of shares, shares issued during the year
Stock Issued During Period, Shares, Restricted Stock Award, Gross
Percentage of RSUs vesting installments
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage
Number of Underlying Shares, Outstanding at beginning of year
Number of Underlying Shares, Outstanding at end of year
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number
Plan Name [Axis]
Plan Name [Domain]
Equity Incentive Plan [Member]
Vesting [Axis]
Number of Underlying Shares, Expired during the year
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Expirations
Vesting [Domain]
First Anniversary [Member]
Share-Based Payment Arrangement, First Anniversary [Member]
Weighted Average Exercise Price Per Share, Expired during the year
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Expired In Period Weighted Average Grant Date Fair Value
The weighted average fair value at expired date for nonvested equity-based awards issued during the period on other than stock.
Second Anniversary [Member]
Share-Based Payment Arrangement, Second Anniversary [Member]
Expiration Date
Warrants and Rights Outstanding, Maturity Date
Common Stock Warrants [Member]
Number of Warrants
Class of Warrant or Right, Outstanding
Exercise Price
Exercise price of warrants (in dollars per share)
Stock compensation expense
Share-Based Payment Arrangement, Expense
Restricted Stock [Member]
Restricted Stock [Member]
Changes in common stock control percentage
Changes in Equity Ownership Percentage
Percentage of equity changes in common stock.
Warrant
Warrant [Member]
Schedule of Financial Assets and Liabilities Measured on a Recurring Basis at Fair Value [Abstract]
Accrued severance
Accrued Severance, Current
Carrying value as of the balance sheet date of obligations incurred and payable for severance. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
Withholding taxes and benefits payable
Accrued Payroll Taxes and Employee Benefits Current
Carrying value as of the balance sheet date of obligations incurred and payable for statutory payroll taxes incurred through that date and withheld from employees pertaining to services received from them, including the entity's matching share of the employees FICA taxes and contributions to the state and federal unemployment insurance programs and of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
Subsequent Event Type [Axis]
Subsequent Events [Member]
Subsequent Event [Member]
Subsequent Events [Line Items]
Subsequent Event [Line Items]
Exchange rate changes on deferred tax assets, Amount
Income Tax Reconciliation Exchange Rate Differential on Deferred Tax Assets
Represents exchange rate changes on net deferred tax assets.
Other, Amount
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Net operating loss carryforwards
Deferred Tax Assets, Operating Loss Carryforwards
Reclamation costs
Deferred Tax Assets Reclamation Costs
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible reclamation costs.
Property, plant and equipment
Deferred Tax Assets, Property, Plant and Equipment
Deferred tax assets, gross
Deferred Tax Assets, Gross
Total deferred tax assets
Deferred Tax Assets, Net of Valuation Allowance
Property, plant and equipment
Deferred Tax Liabilities, Property, Plant and Equipment
Total deferred tax liabilities
Deferred Tax Liabilities, Gross
Weighted average grant date fair value per share, shares issued during the year
Stock Issued During period, Restricted Stock Award, Weighted Average Grant Date Fair Value
Weighted average grant-date fair value of restricted stock issued during period.
Auditor [Line Items]
Effects of foreign earnings, Percentage
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent
Accrued employee compensation and benefits
Employee-related Liabilities, Current
Accrued vacation
Accrued Vacation, Current
Fair value adjustments to long lived assets
Fair Value Adjustments to Long Lived Assets
The fair value adjustments to long lived assets.
Other adjustments:
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount [Abstract]
Weighted average grant date fair value per share, forfeited during the year
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Schedule of Common Stock Warrants Outstanding [Abstract]
Class of Warrant or Right [Axis]
November 2023 Series A Warrants
November 2023 SeriesA Warrants [Member]
November 2023 SeriesA Warrants [Member]
Schedule of Common Stock Warrants Outstanding [Line Items]
Class of Warrant or Right [Line Items]
Number of granted shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
Weighted Average Exercise Price Per Share, Outstanding at beginning of year
Weighted Average Exercise Price Per Share, Outstanding at end of year
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Weighted Average Exercise Price Per Share
Number of equity instruments other than options Weighted Average Exercise Price Per Share, including both vested and non-vested instruments.
Segments [Domain]
Weighted average grant date fair value per share, granted during the year
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Change in valuation allowance, Percentage
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent
Provision to tax return true-ups, Percentage
Effective Income Tax Rate Reconciliation, Tax Settlement, Percent, Total
Other, Percentage
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
Income tax provision, Percentage
Effective Income Tax Rate Reconciliation, Percent, Total
Exchange rate changes on deferred tax assets, Percentage
Effective Income Tax Rate Reconciliation, Exchange Rate Changes on Deferred Tax Assets, Percent
Represents the percentage of exchange rate changes on deferred tax assets.
Expired net operating losses, Percentage
Effective Income Tax Rate Reconciliation, Expired Net Operating Losses, Percent
Represents the percentage of expired net operating losses.
Discontinued operations
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share
Discontinued operations
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share, Total
Interest and other income, net
Interest Income (Expense), Nonoperating, Net
Net income (loss)
Net income (loss)
Total other income (expense)
Nonoperating Income (Expense)
Other income (expense):
Nonoperating Income (Expense) [Abstract]
Loss from operations
Operating Income (Loss)
Stock-based compensation
Stock-based compensation
Share-Based Payment Arrangement, Noncash Expense
Consolidated Statements of Operations
Weighted-average shares outstanding – diluted
Weighted Average Number of Shares Outstanding, Diluted
Weighted-average shares outstanding – basic
Weighted Average Number of Shares Outstanding, Basic
Warrants exercised (Note 14) (in shares)
Stock Issued During Period, Shares, Warrants Exercised
Number of shares issued during the period as a result of exercise of warrants.
Warrants exercised (Note 14)
Stock Issued During Period Value Warrants Exercised
Value of stock issued as a result of the exercise of warrants.
Additional Paid-in Capital
Additional Paid-in Capital [Member]
Common Stock
Common Stock [Member]
Equity Component [Domain]
KELTIP shares issued net of shares relinquished to cover withholding taxes (Note 14) (in shares)
Restricted Stock, Shares Issued Net of Shares for Tax Withholdings
KELTIP shares issued net of shares relinquished to cover withholding taxes (Note 14)
Restricted Stock, Value, Shares Issued Net of Tax Withholdings
Accumulated Deficit
Accumulated Deficit [Member]
Balance (in shares)
Balance (in shares)
Shares, Outstanding, Ending Balance
Equity Components [Axis]
Cash, cash equivalents, and restricted cash, end of year
Cash, cash equivalents, and restricted cash, beginning of year
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Net decrease in cash and cash equivalents
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect
Net cash (used in) provided by financing activities - discontinued operations
Cash Provided by (Used in) Financing Activity, Discontinued Operation
Net cash provided by investing activities - discontinued operations
Cash Provided by (Used in) Investing Activities, Discontinued Operations
Net cash used in operating activities - discontinued operations
Cash Provided by (Used in) Operating Activities, Discontinued Operations
Loss on trading securities
Debt Securities, Trading, Gain (Loss)
Income taxes paid
Income Taxes Paid, Net, Total
Accounts payable and other accrued liabilities
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Value added tax receivable, net
Increase (Decrease) in Income Taxes Receivable
Total liabilities and equity
Liabilities and Equity
Liabilities and Equity
Liabilities and Equity [Abstract]
Current liabilities
Liabilities, Current [Abstract]
Liabilities held for sale (Note 4)
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent
Investments (Note 5)
Long-term Investments
Other long-term liabilities (Note 11)
Other long term liabilities
Restricted cash (Note 10)
Restricted cash
Restricted Cash, Current
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Equity (deficit) (Note 14)
Stockholders' Equity Attributable to Parent [Abstract]
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Common stock, shares issued (in shares)
Common Stock, Shares, Issued
Common stock, shares outstanding (in shares)
Common Stock, Shares, Outstanding
Changes in operating assets and liabilities:
Increase (Decrease) in Operating Capital [Abstract]
Other current liabilities
Increase (Decrease) in Other Current Liabilities
Other long-term liabilities
Increase (Decrease) in Other Noncurrent Liabilities
Prepaid expenses and other assets
Increase (Decrease) in Prepaid Expense and Other Assets
Interest paid
Interest Paid, Net
Net cash (used in) provided by financing activities
Net Cash Provided by (Used in) Financing Activities
Cash flows from (used in) financing activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Net cash (used in) provided by financing activities - continuing operations
Net Cash Provided by (Used in) Financing Activities, Continuing Operations
Net cash provided by investing activities
Net Cash Provided by (Used in) Investing Activities
Cash flows from (used in) investing activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Net cash provided by (used in) investing activities - continuing operations
Net Cash Provided by (Used in) Investing Activities, Continuing Operations
Net cash used in operating activities
Net Cash Provided by (Used in) Operating Activities
Cash flows from (used in) operating activities:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net cash used in operating activities - continuing operations
Net Cash Provided by (Used in) Operating Activities, Continuing Operations
Total cash, cash equivalents, and restricted cash
Restricted Cash and Cash Equivalent, Current, Total
Consolidated Statements of Cash Flows
Supplemental disclosure:
Supplemental Cash Flow Information [Abstract]
Nature of Operations
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Liquidity, Capital Resources and Going Concern
Liquidity and Capital Resources Disclosure [Text Block]
Disclosure when there is a substantial doubt about an entity's ability to continue as a going concern for a reasonable period of time (generally a year from the balance sheet date). Disclose: pertinent conditions and events giving rise to the assessment of substantial doubt about the entity's ability to continue as a going concern for a reasonable period of time, and includes capital resources during the reporting period.
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Assets Held for Sale and Discontinued Operations
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]
Cash and Cash Equivalents and Investments
Cash, Cash Equivalent, and Short-Term Investment [Text Block]
Prepaid Expenses and Other Assets
Other Current Assets [Text Block]
Value Added Tax Receivable, Net
Value Added Tax Recoverable Disclosure [Text Block]
The entire disclosure for value added tax recoverable of the reporting entity.
Foreign Currency [Abstract]
Chief Executive Officer
Statutory tax rate