Convertible Debt (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands		6 Months Ended
	Jul. 21, 2014	Jun. 30, 2015	Jun. 22, 2015	Dec. 31, 2014	Jul. 24, 2014	Oct. 29, 2013
Debt Instrument [Line Items]
Preferred Stock, Par or Stated Value Per Share		$ 0.10		$ 0.10
Proceeds from Issuance of Debt	$ 15,000
Warrants Issued to Purchase Common Stock, Shares		43,333,334
Warrants Issued to Purchase Common Stock, Value		$ 32,500	$ 42,500
Common Stock, Par or Stated Value Per Share		$ 0.001		$ 0.001
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 1.38
Debt Instrument, Interest Rate, Stated Percentage		2.25%
Debt Conversion, Converted Instrument, Shares Issued	5,847,955	899,999
Debt Conversion, Converted Instrument, Amount		$ 2,308
Convertible Preferred Stock Initial Conversion Price	$ 2.565
Fair Value of Warrant Obligation	$ 5,296
Debt Instrument, Convertible, Beneficial Conversion Feature	4,565	27,300
Fair Value of Warrants Issued	491
Senior Notes, Noncurrent	$ 4,647
Debt Instrument, Unamortized Discount		$ 2,816
Fair Value Assumptions, Expected Volatility Rate		90.00%	90.00%
Fair Value Assumptions, Expected Term		4 years 11 months 23 days	5 years
Fair Value Assumptions, Exercise Price		$ 1.15
Fair Value Assumptions, Risk Free Interest Rate		1.62%	1.62%
Fair Value Adjustment of Warrants		$ 2,390	$ 2,959
Interest Expense, Debt		1,732
Debentures, outstanding amount		$ 7,184
Beneficial conversion feature		$ 0.75
Maximum [Member]
Debt Instrument [Line Items]
Beneficial conversion feature		1.38
Minimum [Member]
Debt Instrument [Line Items]
Beneficial conversion feature		$ 0.75
Series B Preferred Stock [Member]
Debt Instrument [Line Items]
Warrants Issued to Purchase Common Stock, Shares					4,795,321
Class of Warrant or Right, Exercise Price of Warrants or Rights					$ 2.45
Investment Warrants Expiration Month and Year	2019-07
Convertible Preferred Stock Initial Conversion Price					$ 2.565
Debentures [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage				4.00%
Debt Instrument, Unamortized Discount	$ 10,353
Series A Warrants [Member]
Debt Instrument [Line Items]
Warrants Issued to Purchase Common Stock, Shares	6,198,832		3,000,000
Common Stock, Par or Stated Value Per Share	$ 0.001		$ 0.75
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 2.45		$ 0.75			$ 8.50
Investment Warrants Expiration Month and Year	2019-07