Consolidated Statement of Stockholders' Equity (USD $)
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Total
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Preferred Stock
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Common Stock
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Additional Paid-In Capital
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Accumulated Deficit
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Non-controlling Interest
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Balance at Dec. 31, 2014 | $ (29,803,466)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
$ 4us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |
$ 150,200us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
$ 323,030,301us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
$ (352,983,971)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
$ 0us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Balance, shares at Dec. 31, 2014 |
4,519us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |
150,200,259us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||
Issued restricted stock | 332us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross |
332us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Issued restricted stock, shares |
332,000us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Canceled forfeited restricted stock | 0us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures |
(19)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
19us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Canceled forfeited restricted stock, shares |
(18,750)us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Canceled stock to pay employee tax obligations | 0navb_RepurchaseAndCancellationOfCommonStockAtMarketForEmployeeTaxWithholdingValue |
(7)navb_RepurchaseAndCancellationOfCommonStockAtMarketForEmployeeTaxWithholdingValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
7navb_RepurchaseAndCancellationOfCommonStockAtMarketForEmployeeTaxWithholdingValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Canceled stock to pay employee tax obligations, shares |
(7,645)navb_RepurchaseAndCancellationOfCommonStockAtMarketForEmployeeTaxWithholdingShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Issued stock in payment of Board retainers | 69,623us-gaap_StockIssuedDuringPeriodValueNewIssues |
37us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
69,586us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Issued stock in payment of Board retainers, shares |
36,839us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Issued stock to 401(k) plan | 117,099us-gaap_StockIssuedDuringPeriodValueEmployeeBenefitPlan |
68us-gaap_StockIssuedDuringPeriodValueEmployeeBenefitPlan / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
117,031us-gaap_StockIssuedDuringPeriodValueEmployeeBenefitPlan / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Issued stock to 401(k) plan, shares | 68,157us-gaap_StockIssuedDuringPeriodSharesEmployeeBenefitPlan |
68,157us-gaap_StockIssuedDuringPeriodSharesEmployeeBenefitPlan / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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Stock compensation expense | 1,106,824us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |
1,106,824us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
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Net loss | (7,291,225)us-gaap_NetIncomeLoss |
(7,291,125)us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
(100)us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
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Issuance of MT Preferred Stock, net of deemed dividend on beneficial conversion feature | 437,001navb_AdjustmentstoAdditionalPaidinCapitalStockandWarrantsIssuedNetofConversionFeature |
(46,000)navb_AdjustmentstoAdditionalPaidinCapitalStockandWarrantsIssuedNetofConversionFeature / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
483,001navb_AdjustmentstoAdditionalPaidinCapitalStockandWarrantsIssuedNetofConversionFeature / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
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Balance at Mar. 31, 2015 | $ (35,363,812)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |
$ 4us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |
$ 150,611us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
$ 324,277,768us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |
$ (360,275,096)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
$ 482,901us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
Balance, shares at Mar. 31, 2015 |
4,519us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |
150,610,860us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
X | ||||||||||
- Definition
Adjustments to Additional Paid in Capital, Stock and Warrants Issued, Net of Conversion Feature No definition available.
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X | ||||||||||
- Definition
Number of common shares repurchased at market value and canceled for employee tax withholding. No definition available.
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X | ||||||||||
- Definition
Value of common shares repurchased at market value and canceled for employee tax withholding. No definition available.
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X | ||||||||||
- Definition
This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation". Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Details
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X | ||||||||||
- 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 | ||||||||||
- Definition
Number of shares issued which are neither cancelled nor held in the treasury. No definition available.
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X | ||||||||||
- Definition
Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Number of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan. No definition available.
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X | ||||||||||
- Definition
Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Number of shares related to Restricted Stock Award forfeited during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Value of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan. No definition available.
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X | ||||||||||
- Definition
Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Value of stock related to Restricted Stock Awards forfeited during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Aggregate value of stock related to Restricted Stock Awards issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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