XML 67 R51.htm IDEA: XBRL DOCUMENT v2.4.1.9
Shareholders' Equity Equity Issuances (Details) (USD $)
3 Months Ended 1 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Dec. 31, 2014
May 08, 2014
Class of Stock [Line Items]          
Common Stock, Shares, Issued 39,423,911us-gaap_CommonStockSharesIssued   39,423,911us-gaap_CommonStockSharesIssued 36,783,857us-gaap_CommonStockSharesIssued 5,329,593us-gaap_CommonStockSharesIssued
Net proceeds from issuance of common stock $ 7,411,828us-gaap_StockIssuedDuringPeriodValueNewIssues $ 5,630,625us-gaap_StockIssuedDuringPeriodValueNewIssues      
Aspire Capital Purchase Agreement [Member]          
Class of Stock [Line Items]          
Term of agreement in months     24 months    
Discount Applied To Weighted Average Price   5.00%nbs_DiscountAppliedToWeightedAveragePrice
/ us-gaap_SubsidiarySaleOfStockAxis
= nbs_AspireCapitalPurchaseAgreementMember
     
Purchase Commitment, Remaining Minimum Amount Committed 11,700,000us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted
/ us-gaap_SubsidiarySaleOfStockAxis
= nbs_AspireCapitalPurchaseAgreementMember
  11,700,000us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted
/ us-gaap_SubsidiarySaleOfStockAxis
= nbs_AspireCapitalPurchaseAgreementMember
   
Stock Issued During Period, Shares, Other 5,687,942us-gaap_StockIssuedDuringPeriodSharesOther
/ us-gaap_SubsidiarySaleOfStockAxis
= nbs_AspireCapitalPurchaseAgreementMember
       
Stock Issued During Period, Shares, New Issues 2,200,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= nbs_AspireCapitalPurchaseAgreementMember
       
Net proceeds from issuance of common stock 7,400,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= nbs_AspireCapitalPurchaseAgreementMember
       
Aspire Capital Purchase Agreement [Member]          
Class of Stock [Line Items]          
Common Stock, Shares, Issued   150,000us-gaap_CommonStockSharesIssued
/ dei_LegalEntityAxis
= nbs_AspireCapitalPurchaseAgreementMember
     
Purchase Commitment, Remaining Minimum Amount Committed   $ 30,000,000us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted
/ dei_LegalEntityAxis
= nbs_AspireCapitalPurchaseAgreementMember
     
Common Stock, Capital Shares Reserved for Future Issuance   1,400,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
/ dei_LegalEntityAxis
= nbs_AspireCapitalPurchaseAgreementMember