XML 47 R40.htm IDEA: XBRL DOCUMENT v2.4.1.9
PIPE TRANSACTION - Securities Purchase Agreement (Narrative) (Details) (USD $)
0 Months Ended 3 Months Ended 0 Months Ended
Mar. 09, 2015
Mar. 31, 2015
Mar. 23, 2015
Schedule of Equity and Temporary Equity [Line Items]      
Shares issued (in shares)   625,000us-gaap_TemporaryEquitySharesIssued  
Proceeds from issuance of equity and temporary equity $ 62,500,000bios_ProceedsfromIssuanceofEquityandTemporaryEquity    
Minimum percentage of proceeds to be used to repay outstanding borrowings 75.00%bios_StockPurchaseAgreementCovenantTermsMinimumPercentageofProceedstobeUsedonRepaymentofDebt    
Repayments of indebtedness and accrued interest from proceeds of purchase agreement   45,300,000bios_RepaymentsOfDebtIncludingAccruedInterest  
Series A Preferred Stock      
Schedule of Equity and Temporary Equity [Line Items]      
Shares issued (in shares) 625,000us-gaap_TemporaryEquitySharesIssued
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
   
Share price (in dollars per share)   $ 100.00us-gaap_SharesIssuedPricePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
 
Volatility rate 55.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
   
Risk free rate 0.92%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
   
Dividend rate 11.50%us-gaap_FairValueAssumptionsExpectedDividendRate
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
   
Redemption price (in dollars per share) $ 5.17us-gaap_TemporaryEquityRedemptionPricePerShare
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
   
2015 Warrants [Member]      
Schedule of Equity and Temporary Equity [Line Items]      
Volatility rate 55.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_ClassOfWarrantOrRightAxis
= bios_TwoThousandFifteenWarrantsMember
   
Risk free rate 0.92%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_ClassOfWarrantOrRightAxis
= bios_TwoThousandFifteenWarrantsMember
   
Additional contribution by investors     $ 483,559bios_ProceedsfromModificationofWarrantTerms
/ us-gaap_ClassOfWarrantOrRightAxis
= bios_TwoThousandFifteenWarrantsMember
Class A Warrants      
Schedule of Equity and Temporary Equity [Line Items]      
Warrants issued (in shares) 1,800,000us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= bios_ClassAWarrantsMember
   
Exercise price of warrants (in dollars per share) $ 5.17us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= bios_ClassAWarrantsMember
  $ 5.17us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= bios_ClassAWarrantsMember
Class A Warrants Prior to Addendum      
Schedule of Equity and Temporary Equity [Line Items]      
Exercise price of warrants (in dollars per share) $ 5.295us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= bios_ClassAWarrantsPriortoAddendumMember
   
Class B Warrants      
Schedule of Equity and Temporary Equity [Line Items]      
Warrants issued (in shares) 1,800,000us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= bios_ClassBWarrantsMember
   
Exercise price of warrants (in dollars per share) $ 6.45us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= bios_ClassBWarrantsMember
  $ 6.45us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= bios_ClassBWarrantsMember
Class B Warrants Prior to Addendum      
Schedule of Equity and Temporary Equity [Line Items]      
Exercise price of warrants (in dollars per share) $ 6.595us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= bios_ClassBWarrantsPriortoAddendumMember