Debt and Derivative Liabilities (Details Textual) - USD ($)	1 Months Ended							3 Months Ended	6 Months Ended	12 Months Ended
	Apr. 30, 2014	Mar. 31, 2014	Feb. 28, 2014	Dec. 31, 2013	Nov. 30, 2013	Jul. 31, 2011	Apr. 30, 2011	Jun. 30, 2014	Jun. 30, 2015	Dec. 31, 2014	Feb. 28, 2013
Debt Conversion [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights									$ 0.52
Debt Discount Convertible Debt										$ 34,800,000
Repayments of Debt										6,200,000
Common Stock Value									$ 12,477	$ 12,477
Convertible Debt									$ 37,100,000
Common Stock [Member]
Debt Conversion [Line Items]
Stock Issued During Period, Shares, Other										2,709,677
Deerfield Facility Agreement [Member]
Debt Conversion [Line Items]
Debt Instrument, Interest Rate, Stated Percentage									5.75%
Debt Instrument, Maturity Date									Mar. 31, 2019
Class of Warrant or Right, Number of Securities Called by Warrants or Rights									97,614,999
Class of Warrant or Right, Exercise Price of Warrants or Rights									$ 0.52
Equity Raising Transaction Proceeds Percentage Applied For Redemption									35.00%
Put Options Amount Exempt									$ 10,000,000
Debt Instrument, Redemption Price, Percentage									33.33%
Line of Credit Facility, Maximum Borrowing Capacity										$ 35,000,000
Subordinated Convertible Notes [Member]
Debt Conversion [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					10.00%
Proceeds from Convertible Debt			$ 750,000	$ 2,250,000	$ 3,000,000
Debt Discount Convertible Debt				2,250,000
Debt Conversion, Converted Instrument, Shares Issued		5,981,859
Percentage In Number Of Shares		75.00%
Exercise Price On Market Price		125.00%
Repayments of Convertible Debt		$ 339,000
Debt Issuance Cost				$ 69,000
JP Nevada Trust 12% Note [Member]
Debt Conversion [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		750,000					1,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 0.52					$ 0.50
Repayments of Debt								$ 2,100,000
Related Party Guaranteed Obligations							$ 1,400,000
JP Nevada Trust 12% Note [Member] | Warrant [Member]
Debt Conversion [Line Items]
Derivative Liability		$ 14,000
JP Nevada Trust 12% Note [Member] | Second Draw [Member]
Debt Conversion [Line Items]
Debt Issuance Cost								$ 298,000
JP Nevada Trust 12% Note [Member] | Promissory Note [Member]
Debt Conversion [Line Items]
Secured Debt							$ 2,100,000
Debt Instrument, Interest Rate, Stated Percentage							12.00%
Debt Instrument, Maturity Date							May 20, 2016
JP Nevada Trust 12% Note [Member] | Guarantee [Member]
Debt Conversion [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights							1,500,000
Class of Warrant or Right, Exercise Price of Warrants or Rights							$ 0.50
Debt Issuance Cost							$ 546,000
Midcap Financial LlC [Member]
Debt Conversion [Line Items]
Secured Debt											$ 4,500,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights											1,079,137
Class of Warrant or Right, Exercise Price of Warrants or Rights											$ 0.70
Term Loan Commitments											$ 7,500,000
Debt Discount Convertible Debt		381,000									$ 568,000
Payments of Debt Extinguishment Costs		330,000
Deferred Issuance Costs		$ 142,000
July Four Percent Convertible Notes [Member]
Debt Conversion [Line Items]
Secured Debt						$ 1,300,000
Debt Instrument, Convertible, Terms Of Conversion Feature						The July 4% Convertible Notes were scheduled to mature on May 23, 2016 and included a one-time interest charge of 4% due on maturity. The July 4% Convertible Notes (plus accrued interest) converted at the option of the holder, in whole or in part and from time to time, into shares of our common stock at a conversion rate equal to (i) the lesser of $0.80 per share or (ii) 80% of the average of the three lowest closing prices of our common stock for the previous 20 trading days prior to conversion (subject to a floor price of $0.25 per share).
July Four Percent Convertible Notes [Member] | Common Stock [Member]
Debt Conversion [Line Items]
Debt Instrument, Convertible, Conversion Price	$ 0.41
Debt Conversion, Converted Instrument, Shares Issued	347,000