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Note 5 - Senior Credit Facility, Subordinated Convertible Note, Net - CD Financial, LLC and Other Long-Term Debt (Details Textual) (USD $)
In Thousands, except Per Share data, unless otherwise specified
1 Months Ended 6 Months Ended 12 Months Ended 1 Months Ended 0 Months Ended 1 Months Ended
Jun. 27, 2012
Dec. 31, 2014
Dec. 31, 2013
Jun. 30, 2013
Sep. 22, 2014
Dec. 31, 2014
Jan. 12, 2015
Aug. 22, 2014
Aug. 28, 2014
Oct. 31, 2013
Jun. 30, 2014
Feb. 21, 2008
Sep. 30, 2014
Oct. 03, 2014
Debt Disclosure [Abstract]                            
Senior Notes $ 11,727us-gaap_SeniorNotes                          
Loans Payable, Noncurrent 3,727us-gaap_LongTermLoansPayable                          
Debt Instrument, Periodic Payment   44us-gaap_DebtInstrumentPeriodicPayment                        
Guarantor Obligations, Maximum Exposure, Undiscounted                   1,000us-gaap_GuaranteeObligationsMaximumExposure        
Minimum EBITDA       1,500inbp_Minimumebitda                    
Repayments of Notes Payable   270us-gaap_RepaymentsOfNotesPayable 564us-gaap_RepaymentsOfNotesPayable                      
Interest Paid 333us-gaap_InterestPaid 351us-gaap_InterestPaid 361us-gaap_InterestPaid                      
Other Expenses 217us-gaap_OtherExpenses                          
Capital Lease Obligations   200us-gaap_CapitalLeaseObligations 83us-gaap_CapitalLeaseObligations     200us-gaap_CapitalLeaseObligations                
Proceeds from Lines of Credit   18,861us-gaap_ProceedsFromLinesOfCredit 17,518us-gaap_ProceedsFromLinesOfCredit                      
London Interbank Offered Rate (LIBOR) [Member]                            
Debt Disclosure [Abstract]                            
Line of Credit Facility, Interest Rate at Period End   3.40%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
      3.40%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember
               
CD Financial LLC [Member]                            
Debt Disclosure [Abstract]                            
Debt Instrument, Interest Rate, Stated Percentage 6.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LineOfCreditFacilityAxis
= inbp_CdfinancialLlcMember
                    9.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LineOfCreditFacilityAxis
= inbp_CdfinancialLlcMember
   
Debt Instrument, Face Amount                       4,500us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LineOfCreditFacilityAxis
= inbp_CdfinancialLlcMember
   
Convertible Notes Payable 5,350us-gaap_ConvertibleNotesPayable
/ us-gaap_LineOfCreditFacilityAxis
= inbp_CdfinancialLlcMember
                         
Debt Instrument, Convertible, Conversion Price $ 0.65us-gaap_DebtInstrumentConvertibleConversionPrice1
/ us-gaap_LineOfCreditFacilityAxis
= inbp_CdfinancialLlcMember
                         
Embedded Derivative, Fair Value of Embedded Derivative Liability   56us-gaap_EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability
/ us-gaap_LineOfCreditFacilityAxis
= inbp_CdfinancialLlcMember
      56us-gaap_EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability
/ us-gaap_LineOfCreditFacilityAxis
= inbp_CdfinancialLlcMember
        717us-gaap_EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability
/ us-gaap_LineOfCreditFacilityAxis
= inbp_CdfinancialLlcMember
     
E. Gerald Kay [Member]                            
Debt Disclosure [Abstract]                            
Debt Instrument, Face Amount                         27us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LineOfCreditFacilityAxis
= inbp_EgeraldKayMember
 
PNC Bank [Member]                            
Debt Disclosure [Abstract]                            
Prepayment of Loan Outstanding                   293inbp_PrepaymentOfLoanoutstanding
/ us-gaap_LineOfCreditFacilityAxis
= inbp_PncBankMember
       
Vitamin Realty LLC [Member]                            
Debt Disclosure [Abstract]                            
Debt Instrument, Face Amount   686us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LineOfCreditFacilityAxis
= inbp_VitaminRealtyLlcMember
      686us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LineOfCreditFacilityAxis
= inbp_VitaminRealtyLlcMember
               
IBio Inc [Member] | Minimum [Member]                            
Debt Disclosure [Abstract]                            
Share Price   $ 0.88us-gaap_SharePrice
/ invest_InvestmentAxis
= inbp_IBioIncMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
      $ 0.88us-gaap_SharePrice
/ invest_InvestmentAxis
= inbp_IBioIncMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
               
CD MDC Note [Member]                            
Debt Disclosure [Abstract]                            
Repayments of Notes Payable 300,000us-gaap_RepaymentsOfNotesPayable
/ us-gaap_DebtInstrumentAxis
= inbp_CdMdcNoteMember
                         
E. Gerald Kay [Member] | Vitamin Realty LLC [Member]                            
Debt Disclosure [Abstract]                            
Debt Instrument, Interest Rate, Stated Percentage   4.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= inbp_EgeraldKayMember
/ us-gaap_LineOfCreditFacilityAxis
= inbp_VitaminRealtyLlcMember
      4.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= inbp_EgeraldKayMember
/ us-gaap_LineOfCreditFacilityAxis
= inbp_VitaminRealtyLlcMember
               
Promissory Note [Member] | CD Financial LLC [Member]                            
Debt Disclosure [Abstract]                            
Debt Instrument, Face Amount 1,714us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= inbp_PromissoryNoteMember
/ us-gaap_LineOfCreditFacilityAxis
= inbp_CdfinancialLlcMember
                         
Revolving Advances [Member]                            
Debt Disclosure [Abstract]                            
Line of Credit Facility Covenant Maximum Aggregate Revolving Advance   8,000inbp_LineOfCreditFacilityCovenantMaximumAggregateRevolvingadvance
/ us-gaap_DebtInstrumentAxis
= inbp_RevolvingAdvancesMember
      8,000inbp_LineOfCreditFacilityCovenantMaximumAggregateRevolvingadvance
/ us-gaap_DebtInstrumentAxis
= inbp_RevolvingAdvancesMember
               
Line of Credit Facility Covenant Aggregate Revolving Advance Receivables Advance Rate   85.00%inbp_LineOfCreditFacilityCovenantAggregateRevolvingAdvanceReceivablesAdvancerate
/ us-gaap_DebtInstrumentAxis
= inbp_RevolvingAdvancesMember
      85.00%inbp_LineOfCreditFacilityCovenantAggregateRevolvingAdvanceReceivablesAdvancerate
/ us-gaap_DebtInstrumentAxis
= inbp_RevolvingAdvancesMember
               
Line of Credit Facility Covenant Aggregate Revolving Advance Inventory Advance Rate   65.00%inbp_LineOfCreditFacilityCovenantAggregateRevolvingAdvanceInventoryAdvancerate
/ us-gaap_DebtInstrumentAxis
= inbp_RevolvingAdvancesMember
      65.00%inbp_LineOfCreditFacilityCovenantAggregateRevolvingAdvanceInventoryAdvancerate
/ us-gaap_DebtInstrumentAxis
= inbp_RevolvingAdvancesMember
               
Line of Credit Facility Covenant Prepayment Provisions Percentage of Excess Cash flow   50.00%inbp_LineOfCreditFacilityCovenantPrepaymentProvisionsPercentageOfExcessCashflow
/ us-gaap_DebtInstrumentAxis
= inbp_RevolvingAdvancesMember
      50.00%inbp_LineOfCreditFacilityCovenantPrepaymentProvisionsPercentageOfExcessCashflow
/ us-gaap_DebtInstrumentAxis
= inbp_RevolvingAdvancesMember
               
Loan Agreement Mandatory Repayment Amount   1,000inbp_LoanAgreementMandatoryRepaymentAmount
/ us-gaap_DebtInstrumentAxis
= inbp_RevolvingAdvancesMember
      1,000inbp_LoanAgreementMandatoryRepaymentAmount
/ us-gaap_DebtInstrumentAxis
= inbp_RevolvingAdvancesMember
               
Term Loan [Member]                            
Debt Disclosure [Abstract]                            
Line of Credit Facility, Interest Rate at Period End   3.75%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
/ us-gaap_DebtInstrumentAxis
= inbp_TermLoanMember
      3.75%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
/ us-gaap_DebtInstrumentAxis
= inbp_TermLoanMember
        3.75%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
/ us-gaap_DebtInstrumentAxis
= inbp_TermLoanMember
     
Repayments of Debt       1,000us-gaap_RepaymentsOfDebt
/ us-gaap_DebtInstrumentAxis
= inbp_TermLoanMember
                   
Term Loan [Member] | Eurodollar [Member]                            
Debt Disclosure [Abstract]                            
Debt Instrument, Basis Spread on Variable Rate   3.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_DebtInstrumentAxis
= inbp_TermLoanMember
/ us-gaap_VariableRateAxis
= us-gaap_EurodollarMember
                       
Term Loan [Member] | Scenario Event of Default [Member]                            
Debt Disclosure [Abstract]                            
Debt Instrument, Interest Rate, Increase (Decrease)   2.00%us-gaap_DebtInstrumentInterestRateIncreaseDecrease
/ us-gaap_DebtInstrumentAxis
= inbp_TermLoanMember
/ us-gaap_StatementScenarioAxis
= inbp_ScenarioEventOfDefaultMember
                       
Default Rate [Member] | CD Financial LLC [Member]                            
Debt Disclosure [Abstract]                            
Debt Instrument, Interest Rate, Stated Percentage 10.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtConversionByUniqueDescriptionAxis
= inbp_DefaultRateMember
/ us-gaap_LineOfCreditFacilityAxis
= inbp_CdfinancialLlcMember
                         
Revolving Credit Facility [Member]                            
Debt Disclosure [Abstract]                            
Line of Credit Facility, Interest Rate at Period End                     3.25%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
    3.25%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
Line of Credit Facility, Maximum Borrowing Capacity 8,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
                         
Revolving Credit Facility [Member] | Eurodollar [Member]                            
Debt Disclosure [Abstract]                            
Debt Instrument, Basis Spread on Variable Rate   2.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_VariableRateAxis
= us-gaap_EurodollarMember
                       
Revolving Credit Facility [Member] | PNC Bank [Member]                            
Debt Disclosure [Abstract]                            
Line of Credit Facility, Interest Rate at Period End   3.25%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= inbp_PncBankMember
      3.25%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LineOfCreditFacilityAxis
= inbp_PncBankMember
               
Convertible Line of Credit Note [Member]                            
Debt Disclosure [Abstract]                            
Line of Credit Facility, Maximum Borrowing Capacity         350us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= inbp_ConvertibleLineOfCreditNoteMember
                 
Debt Instrument, Basis Spread on Variable Rate         3.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_CreditFacilityAxis
= inbp_ConvertibleLineOfCreditNoteMember
                 
Debt Instrument Convertible Aggregate Amount Advanced Trigger         350inbp_DebtInstrumentConvertibleAggregateAmountAdvancedtrigger
/ us-gaap_CreditFacilityAxis
= inbp_ConvertibleLineOfCreditNoteMember
                 
Convertible Line of Credit Note [Member] | PNC Bank [Member]                            
Debt Disclosure [Abstract]                            
Line of Credit Facility, Interest Rate at Period End   3.40%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
/ us-gaap_CreditFacilityAxis
= inbp_ConvertibleLineOfCreditNoteMember
/ us-gaap_LineOfCreditFacilityAxis
= inbp_PncBankMember
      3.40%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
/ us-gaap_CreditFacilityAxis
= inbp_ConvertibleLineOfCreditNoteMember
/ us-gaap_LineOfCreditFacilityAxis
= inbp_PncBankMember
               
LC Note [Member]                            
Debt Disclosure [Abstract]                            
Proceeds from Lines of Credit           284us-gaap_ProceedsFromLinesOfCredit
/ us-gaap_CreditFacilityAxis
= inbp_LCNoteMember
               
LC Note [Member] | Subsequent Event [Member]                            
Debt Disclosure [Abstract]                            
Proceeds from Lines of Credit             23us-gaap_ProceedsFromLinesOfCredit
/ us-gaap_CreditFacilityAxis
= inbp_LCNoteMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
             
Marlin Leasing [Member]                            
Debt Disclosure [Abstract]                            
Capital Lease Obligations               47us-gaap_CapitalLeaseObligations
/ us-gaap_CounterpartyNameAxis
= inbp_MarlinLeasingMember
           
Capital Lease Obligation Monthly Lease Payment               2inbp_CapitalLeaseObligationMonthlyLeasepayment
/ us-gaap_CounterpartyNameAxis
= inbp_MarlinLeasingMember
           
Marlin Leasing [Member] | Capital Lease Obligations [Member]                            
Debt Disclosure [Abstract]                            
Debt Instrument, Interest Rate, Stated Percentage               5.60%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CounterpartyNameAxis
= inbp_MarlinLeasingMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_CapitalLeaseObligationsMember
           
Quantum Analytics [Member]                            
Debt Disclosure [Abstract]                            
Debt Instrument, Interest Rate, Stated Percentage                 0.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_CounterpartyNameAxis
= inbp_QuantumAnalyticsMember
         
Capital Lease Obligations                 138us-gaap_CapitalLeaseObligations
/ us-gaap_CounterpartyNameAxis
= inbp_QuantumAnalyticsMember
         
Capital Lease Obligation Monthly Lease Payment                 $ 8inbp_CapitalLeaseObligationMonthlyLeasepayment
/ us-gaap_CounterpartyNameAxis
= inbp_QuantumAnalyticsMember