Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Cash Flows

v2.4.1.9
Consolidated Statements of Cash Flows (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Cash flows from operating activities:      
Net loss $ (35,726,669)us-gaap_NetIncomeLoss $ (42,699,458)us-gaap_NetIncomeLoss $ (29,157,204)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation and amortization of property and equipment 487,906us-gaap_DepreciationDepletionAndAmortization 400,304us-gaap_DepreciationDepletionAndAmortization 198,822us-gaap_DepreciationDepletionAndAmortization
Amortization of patents and trademarks 12,277us-gaap_AmortizationOfIntangibleAssets 3,877us-gaap_AmortizationOfIntangibleAssets 1,400us-gaap_AmortizationOfIntangibleAssets
Loss on disposal and abandonment of assets 31,794us-gaap_GainLossOnDispositionOfAssets 1,160us-gaap_GainLossOnDispositionOfAssets 2,534us-gaap_GainLossOnDispositionOfAssets
Inventory Write-down 539,027us-gaap_InventoryWriteDown 0us-gaap_InventoryWriteDown 0us-gaap_InventoryWriteDown
Amortization of debt discount and debt offering costs 844,250navb_AmortizationOfDebtDiscountPremiumAndDebtRelatedCommitmentFeesAndDebtIssuanceCosts 765,263navb_AmortizationOfDebtDiscountPremiumAndDebtRelatedCommitmentFeesAndDebtIssuanceCosts 544,517navb_AmortizationOfDebtDiscountPremiumAndDebtRelatedCommitmentFeesAndDebtIssuanceCosts
Stock compensation expense 1,634,162us-gaap_ShareBasedCompensation 2,908,269us-gaap_ShareBasedCompensation 2,304,118us-gaap_ShareBasedCompensation
Equity in loss of R-NAV, LLC 523,809us-gaap_IncomeLossFromEquityMethodInvestments 0us-gaap_IncomeLossFromEquityMethodInvestments 0us-gaap_IncomeLossFromEquityMethodInvestments
Change in fair value of financial instruments 1,342,389us-gaap_UnrealizedGainLossOnDerivatives 112,073us-gaap_UnrealizedGainLossOnDerivatives (32,110)us-gaap_UnrealizedGainLossOnDerivatives
Loss on extinguishment of debt 2,610,196us-gaap_GainsLossesOnExtinguishmentOfDebt 1,372,266us-gaap_GainsLossesOnExtinguishmentOfDebt 0us-gaap_GainsLossesOnExtinguishmentOfDebt
Issuance of common stock for payment of milestone and sublicense fees 0us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims 166,000us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims 1,146,000us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims
Other 150,761us-gaap_OtherOperatingActivitiesCashFlowStatement 71,209us-gaap_OtherOperatingActivitiesCashFlowStatement 61,928us-gaap_OtherOperatingActivitiesCashFlowStatement
Change in operating assets and liabilities:      
Accounts receivable 334,082us-gaap_IncreaseDecreaseInAccountsReceivable (1,042,280)us-gaap_IncreaseDecreaseInAccountsReceivable 6,499us-gaap_IncreaseDecreaseInAccountsReceivable
Inventory 761,024us-gaap_IncreaseDecreaseInInventories (1,934,936)us-gaap_IncreaseDecreaseInInventories 524,049us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other assets (476,860)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets 84,493us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets (385,125)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Accounts payable (944,850)us-gaap_IncreaseDecreaseInAccountsPayable 1,003,515us-gaap_IncreaseDecreaseInAccountsPayable 736,109us-gaap_IncreaseDecreaseInAccountsPayable
Accrued liabilities and other liabilities (1,250,047)us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities 3,176,170us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities 125,144us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
Net cash used in operating activities (29,126,749)us-gaap_NetCashProvidedByUsedInOperatingActivities (35,612,075)us-gaap_NetCashProvidedByUsedInOperatingActivities (23,923,319)us-gaap_NetCashProvidedByUsedInOperatingActivities
Cash flows from investing activities:      
Purchases of equipment (1,114,448)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (1,239,666)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (663,348)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Patent and trademark costs (77,184)us-gaap_PaymentsToAcquireIntangibleAssets (52,701)us-gaap_PaymentsToAcquireIntangibleAssets (8,460)us-gaap_PaymentsToAcquireIntangibleAssets
Investment in R-NAV, LLC (333,334)us-gaap_PaymentsToAcquireInvestments 0us-gaap_PaymentsToAcquireInvestments 0us-gaap_PaymentsToAcquireInvestments
Net cash used in investing activities (1,524,966)us-gaap_NetCashProvidedByUsedInInvestingActivities (1,292,367)us-gaap_NetCashProvidedByUsedInInvestingActivities (671,808)us-gaap_NetCashProvidedByUsedInInvestingActivities
Cash flows from financing activities:      
Proceeds from issuance of common stock, net 87,984us-gaap_ProceedsFromIssuanceOfCommonStock 41,303,750us-gaap_ProceedsFromIssuanceOfCommonStock 2,724,189us-gaap_ProceedsFromIssuanceOfCommonStock
Payment of common stock issuance costs 0us-gaap_PaymentOfFinancingAndStockIssuanceCosts (1,752,932)us-gaap_PaymentOfFinancingAndStockIssuanceCosts 0us-gaap_PaymentOfFinancingAndStockIssuanceCosts
Payment for common stock repurchased from executives 0us-gaap_PaymentsForRepurchaseOfCommonStock 0us-gaap_PaymentsForRepurchaseOfCommonStock (100,875)us-gaap_PaymentsForRepurchaseOfCommonStock
Payment of tax withholdings related to stock-based compensation (130,537)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation (659,018)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation (8,765)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
Payment of preferred stock dividends 0us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock 0us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock (100,000)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock
Proceeds from notes payable 30,000,000us-gaap_ProceedsFromNotesPayable 29,000,000us-gaap_ProceedsFromNotesPayable 4,000,000us-gaap_ProceedsFromNotesPayable
Payment of debt issuance costs (1,763,526)us-gaap_PaymentsOfDebtIssuanceCosts (1,177,293)us-gaap_PaymentsOfDebtIssuanceCosts (153,949)us-gaap_PaymentsOfDebtIssuanceCosts
Principal payments on notes payable (25,000,000)us-gaap_RepaymentsOfNotesPayable (5,982,155)us-gaap_RepaymentsOfNotesPayable (1,285,046)us-gaap_RepaymentsOfNotesPayable
Payments under capital leases (2,226)us-gaap_RepaymentsOfLongTermCapitalLeaseObligations (7,448)us-gaap_RepaymentsOfLongTermCapitalLeaseObligations (5,867)us-gaap_RepaymentsOfLongTermCapitalLeaseObligations
Net cash provided by financing activities 3,191,695us-gaap_NetCashProvidedByUsedInFinancingActivities 60,724,904us-gaap_NetCashProvidedByUsedInFinancingActivities 5,069,687us-gaap_NetCashProvidedByUsedInFinancingActivities
Net (decrease) increase in cash (27,460,020)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 23,820,462us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease (19,525,440)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash, beginning of year 32,939,026us-gaap_CashAndCashEquivalentsAtCarryingValue 9,118,564us-gaap_CashAndCashEquivalentsAtCarryingValue 28,644,004us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash, end of year $ 5,479,006us-gaap_CashAndCashEquivalentsAtCarryingValue $ 32,939,026us-gaap_CashAndCashEquivalentsAtCarryingValue $ 9,118,564us-gaap_CashAndCashEquivalentsAtCarryingValue