Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statement of Stockholders' Equity

v2.4.1.9
Consolidated Statement of Stockholders' Equity (USD $)
Total
Preferred Stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Non-controlling Interest
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
     
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issued restricted stock 332us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross   332us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
Issued restricted stock, shares     332,000us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
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
   
Canceled forfeited restricted stock, shares     (18,750)us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
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
   
Canceled stock to pay employee tax obligations, shares     (7,645)navb_RepurchaseAndCancellationOfCommonStockAtMarketForEmployeeTaxWithholdingShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
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
   
Issued stock in payment of Board retainers, shares     36,839us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
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
   
Issued stock to 401(k) plan, shares 68,157us-gaap_StockIssuedDuringPeriodSharesEmployeeBenefitPlan   68,157us-gaap_StockIssuedDuringPeriodSharesEmployeeBenefitPlan
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
Stock compensation expense 1,106,824us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue     1,106,824us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
   
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
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
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