Document And Entity Information Debt Instrument, Name [Domain] Statistical Measurement [Axis] Note To Financial Statement Details Textual Significant Accounting Policies Note 1 - Nature of Operations, Principles of Consolidation and Basis of Presentation of Interim Financial Statements Income tax (benefit) expense, net ecd_NonRule10b51ArrTrmntdFlag Non-Rule 10b5-1 Arrangement Terminated [Flag] Note 2 - Inventories ecd_NonRule10b51ArrAdoptedFlag Non-Rule 10b5-1 Arrangement Adopted [Flag] Note 3 - Property and Equipment, Net us-gaap_Depreciation Depreciation Trading Arrangements, by Individual [Table] Note 6 - Lease Commitments and Contingencies Material Terms of Trading Arrangement [Text Block] Note 8 - Equity Transactions and Stock-based Compensation Related and Nonrelated Parties [Axis] Note 9 - Segment Information Note 1 - Nature of Operations, Principles of Consolidation and Basis of Presentation of Interim Financial Statements - Dilutive Shares For Stock Options (Details) Note 2 - Inventories - Inventories (Details) Note 3 - Property and Equipment, Net - Property and Equipment, Net (Details) Minimum [Member] Note 6 - Lease Commitments and Contingencies - Lease Expense (Details) Note 6 - Lease Commitments and Contingencies - Leases and Commitments (Details) Statistical Measurement [Domain] Note 6 - Lease Commitments and Contingencies - Supplemental Cash Flow Information (Details) Maximum [Member] Note 6 - Lease Commitments and Contingencies - Minimum Rental Commitment for Long-term Non-cancelable Leases (Details) Note 8 - Equity Transactions and Stock-based Compensation - Summary of the Company's Stock Option Activity, and Related Information (Details) Schedule of Long-Term Debt Instruments [Table] Note 9 - Segment Information - Operations by Business Segment (Details) Notes To Financial Statements Debt Instrument [Axis] us-gaap_IncreaseDecreaseInAccountsReceivable Accounts receivable, net Notes To Financial Statements [Abstract] Cash flows (used in) provided by operating activities: Cash flows from investing activities: us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash (used in) provided by operating activities Raw materials Cash flows from financing activities: Work-in-process us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash used in investing activities us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash used in financing activities Finished goods Counterparty Name [Axis] us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price (in dollars per share) Accounting Policies [Abstract] Segments [Domain] 2027, remaining inbp_LesseeOperatingAndFinanceLeaseLiabilityToBePaidYearOne Amount of lessee's undiscounted obligation for lease payment for operating and finance lease to be paid in first 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). Their Mother, Major Stockholder of the Company [Member] Represents ownership of their mother, a major stockholder of the Company. Land and Building [Member] Allowance for credit losses us-gaap_LesseeFinanceLeaseDiscountRate Lessee, Finance Lease, Discount Rate Segments [Axis] us-gaap_LesseeOperatingLeaseDiscountRate Lessee, Operating Lease, Discount Rate Unionized Employees Concentration Risk [Member] Leasehold Improvements [Member] us-gaap_DeferredFederalIncomeTaxExpenseBenefit Deferred Federal Income Tax Expense (Benefit) Counterparty Name [Domain] us-gaap_IncreaseDecreaseInInventories Inventories Income Statement [Abstract] us-gaap_SharesOutstanding Balance (in shares) Balance (in shares) us-gaap_NumberOfReportableSegments Number of Reportable Segments Change in deferred tax assets Segment Reporting [Text Block] us-gaap_TreasuryStockCommonValue Less: Treasury stock, at cost, 34,900 shares Treasury stock, shares (in shares) Balance (in shares) Balance (in shares) Accrued expenses and other liabilities Treasury Stock, Common [Member] us-gaap_PaymentsForRent Payments for Rent Award Type [Axis] Segment Reporting [Table Text Block] Net (loss) income Net (loss) income Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities: us-gaap_Liabilities Total liabilities inbp_RepaymentsOfLongTermCapitalLeaseObligationsIncludingInterest Financing cash flows from finance lease obligations The cash outflow for the obligation including interest for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer). us-gaap_AllocatedShareBasedCompensationExpense Share-Based Payment Arrangement, Expense us-gaap_LiabilitiesAndStockholdersEquity Total Liabilities and Stockholders' Equity us-gaap_AreaOfRealEstateProperty Area of Real Estate Property (Square Foot) Segment Reporting [Table] Stock based compensation Selling and administrative expenses us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit Deferred State and Local Income Tax Expense (Benefit) Lessee, Lease, Description [Table] Major Customer 3 [Member] The third major customer. Changes in operating assets and liabilities: us-gaap_IncreaseDecreaseInAccountsPayable Accounts payable Accounting Standards Update and Change in Accounting Principle [Table] Europe [Member] Income Tax, Policy [Policy Text Block] us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect Net (decrease) increase in cash Related and Nonrelated Parties [Domain] Related Party Transaction [Table] Warehouse Lease [Member] Relating to warehouse lease. Related Party Transactions Disclosure [Text Block] New Accounting Pronouncements, Policy [Policy Text Block] ByLine Financial Group [Member] Represents ByLine Financial Group. us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations Cash at beginning of period Cash at end of period US Bank [Member] Represents US Bank. Antidilutive Securities, Name [Domain] Statement [Table] inbp_FinanceLeaseCommitmentAmount Lease commitment The amount of finance lease commitment. Credit Facility [Axis] Operating cash flows from operating leases Credit Facility [Domain] Revolving Credit Facility [Member] us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 Debt Instrument, Basis Spread on Variable Rate Statement of Financial Position [Abstract] us-gaap_FinanceLeasePrincipalPayments Payments under finance lease obligations Financing cash flows from finance lease obligations us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity Line of Credit Facility, Maximum Borrowing Capacity Convertible Equipment Line of Credit [Member] Information by type of debt instrument, including, but not limited to, draws against credit facilities. inbp_DebtInstrumentCovenantFixedChargeCoverageRatio Debt Instrument, Covenant, Fixed Charge Coverage Ratio Requirement for fixed charge coverage ratio under the debt agreement. us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1 Finance Lease, Weighted Average Remaining Lease Term (Year) us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue Total minimum lease payments, operating lease Document Type Document Information [Line Items] Document Quarterly Report us-gaap_ConcentrationRiskPercentage1 Concentration Risk, Percentage us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period (in shares) 2027, remaining, operating lease us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths 2031, operating lease, operating lease us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1 Operating Lease, Weighted Average Remaining Lease Term (Year) Document Information [Table] us-gaap_IncreaseDecreaseInOtherCurrentAssets Other current assets us-gaap_OperatingLeaseExpense Operating Lease, Expense Total anti-dilutive shares (in shares) Antidilutive Securities [Axis] Exercisable (in shares) Entity Interactive Data Current Exercisable, weighted average exercise price (in dollars per share) inbp_PolicyTable 2029, operating lease, operating lease us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree Balance (in shares) Document Transition Report Commitments and Contingencies Disclosure [Text Block] us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding Weighted average common shares outstanding - diluted (in shares) 2028, operating lease, operating lease us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo Balance, weighted average exercise price (in dollars per share) Statement [Line Items] 2030, operating lease, operating lease us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour Common stock, issued (in shares) Common stock, outstanding (in shares) Award Type [Domain] Common stock, authorized (in shares) Add: Equivalent shares outstanding - Stock Options (in shares) Weighted average common shares outstanding - basic (in shares) Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Basic net (loss) income per common share (in dollars per share) Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Common Stock, $0.002 par value; 50,000,000 shares authorized; 31,094,510 and 31,059,610 shares issued and outstanding, respectively Security deposits and other assets Amortization of right-of use assets Schedule of Inventory, Current [Table Text Block] Earnings Per Share, Policy [Policy Text Block] Accounts payable Total, finance lease us-gaap_PolicyTextBlockAbstract Accounting Policies us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements us-gaap_TableTextBlock Notes Tables Document Fiscal Period Focus Customer [Domain] Document Fiscal Year Focus us-gaap_FinanceLeaseLiabilityNoncurrent Finance lease obligations us-gaap_FinanceLeaseLiabilityPaymentsDue Total minimum lease payments, finance lease Amendment Flag Current portion of financed lease obligation Current portion finance lease obligations us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount Imputed interest, finance lease Common Stock [Member] 2029, finance lease us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree 2028, finance lease us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo 2031, finance lease us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive us-gaap_SegmentExpenditureAdditionToLongLivedAssets Capital Expenditures 2030, finance lease us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour Concentration Risk Type [Axis] 2027, remaining, finance lease us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths Document Period End Date Concentration Risk Disclosure [Text Block] Property, Plant, and Equipment [Text Block] Long-Lived Asset, Class [Domain] Operating cash flows from finance leases Legal Entity [Axis] Operating lease costs Amortization of right-of-use assets us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount Imputed interest, operating lease Entity File Number Operating lease liabilities Operating lease obligations Entity Tax Identification Number Total, operating lease us-gaap_OperatingLeaseLiability Operating Lease, Liability Current portion of operating lease liabilities Operating Lease, Liability, Current Entity [Domain] Entity Central Index Key Entity Registrant Name Entity Current Reporting Status Accounts Receivable [Member] Entity Incorporation, State or Country Code Current Fiscal Year End Date Concentration Risk Type [Domain] Entity Filer Category Entity Shell Company Entity Emerging Growth Company Entity Small Business 2031 inbp_LesseeOperatingLeaseAndFinanceLeaseLiabilityPaymentsDueYearFive Amount of lessee's undiscounted obligation for lease payments for operating lease and finance lease, due in fifth fiscal year following latest fiscal year. Lessee, Operating Lease and Finance Lease, Liability, Maturity [Table Text Block] Tabular disclosure of undiscounted cash flows of lessee's operating lease and finance lease liability. us-gaap_OperatingIncomeLoss Operating (loss) income 2028 inbp_LesseeOperatingAndFinanceLeaseLiabilityToBePaidYearTwo Amount of lessee's undiscounted obligation for lease payment for operating and finance 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). Vitamin Realty LLC [Member] Represents information pertaining to Vitamin Realty LLC. 2029 inbp_LesseeOperatingAndFinanceLeaseLiabilityToBePaidYearThree Amount of lessee's undiscounted obligation for lease payment for operating and finance lease to be paid in the 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). Entity Address, State or Province Loss Contingencies [Table] Statement of Stockholders' Equity [Abstract] 2030 inbp_LesseeOperatingAndFinanceLeaseLiabilityToBePaidYearFour Amount of lessee's undiscounted obligation for lease payment for operating and finance lease to be paid in the fourth 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). Inventory, Current [Table] Entity Address, City or Town Accumulated deficit Entity Address, Address Line One Statement of Cash Flows [Abstract] City Area Code Local Phone Number Entity Address, Postal Zip Code inbp_LesseeOperatingAndFinanceLeaseLiabilityToBePaidTotal Total minimum lease payments Amount of lessee's undiscounted obligation for lease payments for operating and finance leases. inbp_LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount Imputed interest Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance and operating leases. Total Present value of lessee's discounted obligation for lease payments from finance and operating leases. Stockholders' Equity : Equity Components [Axis] Two Customers [Member] Indicates that the reporting entity has two major customers. Major Customer 1 [Member] Represents one of the major customers of the company. Operating lease obligations Major Customer 2 [Member] Represents one of the major customers of the company. Contract Manufacturing [Member] A specified segment of the reporting entity. Transportation Equipment Lease [Member] Represents transportation equipment lease. Class of Stock [Axis] Equity Component [Domain] Unrelated Party [Member] Represents the information pertaining to the unrelated party. Variable Rate [Domain] Revenue [Policy Text Block] Related Party Transaction [Domain] Amended Loan Agreement [Member] Refers to information regarding the amended loan agreement between the company, MDC, IHC, IHT Properties Corp., and Vitamin Factory. Equity [Text Block] Entity Common Stock, Shares Outstanding Additional Paid-in Capital [Member] Related Party Transaction [Axis] Retained Earnings [Member] Cost of sales Cost of sales Other current assets Other, net Manhattan Drug Company [Member] Manhattan Drug Company Property and equipment, net Total Property and equipment, gross inbp_PercentOfOwnershipForWarehouseAndOfficeFacilitiesLeased Percent of Ownership for Warehouse and Office Facilities Leased Represents the percentage of ownership for warehouse and office facilities leased. Deferred tax assets, net Other Nutraceutical Business [Member] Information by business segments. Chairman, Chief Executive Office and Major Stockholder [Member] Information pertaining to the individual who is the chairman, the chief executive office and a major shareholder. Machinery and Equipment [Member] Property, Plant, and Equipment [Table] Common stock, par value (in dollars per share) Basis of Accounting, Policy [Policy Text Block] Other income, net us-gaap_OtherNonoperatingIncomeExpense Long-Lived Asset, Class [Axis] Share-Based Payment Arrangement, Option, Activity [Table Text Block] us-gaap_Assets Total Assets Assets Cash Geographical [Domain] Geographical [Axis] Share-Based Payment Arrangement, Option [Member] Current Liabilities: us-gaap_LiabilitiesCurrent Total current liabilities Diluted net (loss) income per common share (in dollars per share) us-gaap_DebtInstrumentVariableInterestRateTypeExtensibleEnumeration Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Customer [Axis] Secured Overnight Financing Rate (SOFR) [Member] Accounts receivable (less allowance of credit losses of $20) Depreciation and amortization us-gaap_DepreciationDepletionAndAmortization Customer Concentration Risk [Member] us-gaap_SeniorNotes Senior Notes Lease, Cost [Table Text Block] Consolidation, Policy [Policy Text Block] Interest paid Inventory Disclosure [Text Block] Revenue Benchmark [Member] Lessee, Leases [Policy Text Block] us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment Less: Accumulated depreciation and amortization Stock compensation expense for employee stock options inbp_AccruedLiabilitiesAndOtherLiabilitiesCurrent Accrued expenses and other current liabilities The amount of accrued liabilities and other liabilites classified as current. Inventories Total inbp_NumberOfMajorCustomers Number of Major Customers Represents the number of major customers accounting for 10% or more of the specified concentration risk benchmark, which includes, but not limited to, sales revenue, accounts receivable, etc. us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest (Loss) income before income taxes Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Additional paid-in capital Debt Disclosure [Text Block] us-gaap_StockholdersEquity Total Stockholders' Equity Balance Balance us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) us-gaap_PaymentsToAcquirePropertyPlantAndEquipment Purchase of property and equipment Vitamin Realty Lease [Member] Related to the Vitamin Realty Lease. UNITED STATES Concentration Risk Benchmark [Axis] Non-US [Member] Concentration Risk Benchmark [Domain] inbp_LesseeLeaseTermOfContract Lessee, Lease, Term of Contract (Year) Term of lessee's operating and finance leases, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Office Equipment Leases [Member] Related to leases for office equipment. Finance lease right-of-use assets Right-of-use assets Current Assets: Operating lease right-of-use assets Right-of-use assets Leases and Remaining Commitments [Table Text Block] A tabular disclosure of leases and remaining lease commitments. us-gaap_AssetsCurrent Total current assets Total finance lease cost Amount of expense on finance lease liability. Supplemental Cash Flow Information, Leases [Table Text Block] A tabular disclosure of supplemental cash flow information related to leases. ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] Property, Plant, and Equipment [Table Text Block] inbp_LeaseCommitmentAmount Remaining cash commitment Amount of remaining lease commitment. Sales, net Revenue from Contract with Customer, Including Assessed Tax ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag] us-gaap_GrossProfit Gross profit (loss) Gross (loss) profit Nature of Operations [Policy Text Block] Disclosure of accounting policy for nature of operations. Number of Employees, Geographic Area [Member] Commitments and Contingencies (Note 6)