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Consolidated Statements of Cash Flows (USD $)
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3 Months Ended | |
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Mar. 31, 2015
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Mar. 31, 2014
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| Cash flows from operating activities: | ||
| Net loss | $ (7,291,225)us-gaap_NetIncomeLoss | $ (11,740,553)us-gaap_NetIncomeLoss |
| Adjustments to reconcile net loss to net cash used in operating activities: | ||
| Depreciation and amortization | 149,822us-gaap_DepreciationDepletionAndAmortization | 111,270us-gaap_DepreciationDepletionAndAmortization |
| Loss on disposal and abandonment of assets | 5,726us-gaap_GainLossOnSaleOfPropertyPlantEquipment | 10,866us-gaap_GainLossOnSaleOfPropertyPlantEquipment |
| Change in inventory reserve | 120,302navb_IncreaseDecreaseInventoryReserve | 0navb_IncreaseDecreaseInventoryReserve |
| Amortization of debt discount and issuance costs | 212,813us-gaap_AmortizationOfFinancingCostsAndDiscounts | 241,827us-gaap_AmortizationOfFinancingCostsAndDiscounts |
| Stock compensation expense | 1,106,824us-gaap_ShareBasedCompensation | 693,203us-gaap_ShareBasedCompensation |
| Equity in loss of R-NAV, LLC | 262,227us-gaap_IncomeLossFromEquityMethodInvestments | 0us-gaap_IncomeLossFromEquityMethodInvestments |
| Change in fair value of financial instruments | (1,727,103)navb_ChangeinFairValueofFinancialInstruments | (392,483)navb_ChangeinFairValueofFinancialInstruments |
| Loss on extinguishment of debt | 0us-gaap_GainsLossesOnExtinguishmentOfDebt | 2,610,196us-gaap_GainsLossesOnExtinguishmentOfDebt |
| Issued stock to 401(k) plan for employer matching contributions | 117,099us-gaap_OtherNoncashExpense | 0us-gaap_OtherNoncashExpense |
| Other | 48,971us-gaap_OtherOperatingActivitiesCashFlowStatement | 0us-gaap_OtherOperatingActivitiesCashFlowStatement |
| Changes in operating assets and liabilities: | ||
| Accounts receivable | (394,471)us-gaap_IncreaseDecreaseInAccountsReceivable | 563,888us-gaap_IncreaseDecreaseInAccountsReceivable |
| Inventory | 240,478us-gaap_IncreaseDecreaseInInventories | 118,521us-gaap_IncreaseDecreaseInInventories |
| Prepaid expenses and other assets | 20,241us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets | 78,533us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets |
| Accounts payable | 428,458us-gaap_IncreaseDecreaseInAccountsPayable | 3,901us-gaap_IncreaseDecreaseInAccountsPayable |
| Accrued and other liabilities | 673,969us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities | (1,471,562)us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities |
| Deferred revenue | 1,916,667us-gaap_IncreaseDecreaseInDeferredRevenue | 0us-gaap_IncreaseDecreaseInDeferredRevenue |
| Net cash used in operating activities | (4,109,202)us-gaap_NetCashProvidedByUsedInOperatingActivities | (9,172,393)us-gaap_NetCashProvidedByUsedInOperatingActivities |
| Cash flows from investing activities: | ||
| Purchases of equipment | 0us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (985,578)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |
| Proceeds from sales of equipment | 20,300us-gaap_ProceedsFromSaleOfMachineryAndEquipment | 0us-gaap_ProceedsFromSaleOfMachineryAndEquipment |
| Patent and trademark costs | (5,643)us-gaap_PaymentsToAcquireIntangibleAssets | (7,055)us-gaap_PaymentsToAcquireIntangibleAssets |
| Net cash provided by (used in) investing activities | 14,657us-gaap_NetCashProvidedByUsedInInvestingActivities | (992,633)us-gaap_NetCashProvidedByUsedInInvestingActivities |
| Cash flows from financing activities: | ||
| Proceeds from issuance of MT Preferred Stock and warrants | 500,000us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock | 0us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock |
| Proceeds from issuance of common stock and short swing profits | 332us-gaap_ProceedsFromIssuanceOfCommonStock | 54,674us-gaap_ProceedsFromIssuanceOfCommonStock |
| Payment of tax withholdings related to stock-based compensation | 0us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation | (70,914)us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation |
| Proceeds from notes payable | 3,000,000us-gaap_ProceedsFromNotesPayable | 30,000,000us-gaap_ProceedsFromNotesPayable |
| Payment of debt-related costs | 0us-gaap_PaymentsOfDebtIssuanceCosts | (1,750,770)us-gaap_PaymentsOfDebtIssuanceCosts |
| Principal payments on notes payable | 0us-gaap_RepaymentsOfNotesPayable | (25,000,000)us-gaap_RepaymentsOfNotesPayable |
| Payments under capital leases | (604)us-gaap_RepaymentsOfLongTermCapitalLeaseObligations | (527)us-gaap_RepaymentsOfLongTermCapitalLeaseObligations |
| Net cash provided by financing activities | 3,499,728us-gaap_NetCashProvidedByUsedInFinancingActivities | 3,232,463us-gaap_NetCashProvidedByUsedInFinancingActivities |
| Net decrease in cash | (594,817)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | (6,932,563)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease |
| Cash, beginning of period | 5,479,006us-gaap_CashAndCashEquivalentsAtCarryingValue | 32,939,026us-gaap_CashAndCashEquivalentsAtCarryingValue |
| Cash, end of period | $ 4,884,189us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 26,006,463us-gaap_CashAndCashEquivalentsAtCarryingValue |
| X | ||||||||||
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- Definition
The change in fair value of financial instruments No definition available.
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| X | ||||||||||
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- Definition
Increase (Decrease) Inventory Reserve No definition available.
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- Details
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| X | ||||||||||
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- Definition
Amount of noncash expense included in interest expense to allocate debt discount and premium, and the costs to issue debt and obtain financing over the related debt instruments. Alternate captions include noncash interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period in the aggregate amount of accrued expenses and other operating obligations not separately disclosed in the statement of cash flows. No definition available.
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| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period, excluding the portion taken into income, in the liability reflecting revenue yet to be earned for which cash or other forms of consideration was received or recorded as a receivable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period in the value of prepaid expenses and other assets not separately disclosed in the statement of cash flows, for example, deferred expenses, intangible assets, or income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Other expenses or losses included in net income that result in no cash outflows or inflows in the period and are not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities). No definition available.
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| X | ||||||||||
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- Definition
The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow from the additional capital contribution to the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow from a borrowing supported by a written promise to pay an obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow from sale of machinery and equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow for a borrowing supported by a written promise to pay an obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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