Equity (Details Textual 1) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	1 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Feb. 28, 2014	Dec. 31, 2014	Dec. 31, 2013
Subsidiary, Sale of Stock [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.0277	0.0289	$ 0.0277		$ 0.0289	$ 0.0289
Venture Champion Asia Limited [Member]
Subsidiary, Sale of Stock [Line Items]
Credit Agreement origination date	May 06, 2014
Line of Credit Facility, Current Borrowing Capacity	$ 2,000		$ 2,000
Line of Credit Facility, Fair Value of Amount Outstanding	0		0
Credit Agreement expiration date	Feb. 23, 2015
Warrants Issued to SG Phoenix [Member]
Subsidiary, Sale of Stock [Line Items]
Fair Value Assumptions, Expected Term		3 years
Number of common shares callable by warrants		3,000
Warrants Issued to Unrelated Parties [Member]
Subsidiary, Sale of Stock [Line Items]
Fair Value Assumptions, Expected Term		3 years
Number of common shares callable by warrants		1,600
Series D Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Proceeds from sale of stock, net		406	1,200	733
Administrative fee		4	33	47
Warrant coverage, maximum percentage		100.00%		100.00%
Fair Value Assumptions, Expected Term			3 years
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.0025		$ 0.0025
Warrants, expiration date		Dec. 31, 2016	Mar. 31, 2018	Dec. 31, 2016
Number of common shares callable by warrants	27,400		27,400
Warrants And Rights Issued Fair Value Initial	$ 366		$ 366
Series D One Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Number of shares sold in private placement		273	1,233	520
Series D Two Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Number of shares sold in private placement		137		260
Note Warrant [Member] | Venture Champion Asia Limited [Member]
Subsidiary, Sale of Stock [Line Items]
Number of common shares callable by warrants	10,909		10,909