Equity (Details Textual 1) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	1 Months Ended
	Mar. 31, 2015	Feb. 28, 2015	Mar. 31, 2014	Feb. 28, 2014	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Subsidiary, Sale of Stock [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights					$ 0.0272	$ 0.0289	$ 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
Line of Credit Facility, Fair Value of Amount Outstanding		$ 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	$ 1,200		$ 406	$ 733
Administrative fee	$ 33		$ 4	$ 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
Warrants, expiration date	Mar. 31, 2018		Dec. 31, 2016	Dec. 31, 2016
Number of common shares callable by warrants	27,400
Warrants And Rights Issued Fair Value Initial	$ 366
Series D One Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Number of shares sold in private placement	1,233		273	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