The Company (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Jun. 22, 2015
Interest bearing note	$ 10,000		$ 10,000			$ 10,000
Interest rate	9.00%		9.00%			0.90%
Warrant issued to purchase common stock	13,078,920		13,078,920
Write down inventory value	$ 4,818		$ 4,818
Senior secured convertible debentures	$ 32,500		$ 32,500
Shares issued on conversion of senior secured convertible debentures	43,333,334		43,333,334
Senior secured convertible debentures conversion price	$ 0.75		$ 0.75
Senior secured convertible debentures interest rate	2.25%		2.25%
Description of terms of conversion			Under the terms of the Debentures and the Warrants, the issuances of shares of the common stock, including the Shares upon conversion of the Debentures and upon exercise of the Warrants, are subject to (i) the approval by the Company’s stockholders of an amendment to our Fifth Amended and Restated Certificate of Incorporation to increase the number of authorized shares of our common stock and (ii) the approval by the Company’s stockholders, pursuant to NASDAQ Marketplace Rules, of the Company’s issuance of up to an aggregate of 62,837,601 shares of the Company’s common stock upon (a) conversion of the Debentures; (b) payment of interest on the Debentures and the Notes; (c) exercise of the Warrants; and (d) exercise of the Reset Warrants (the “Stockholders Approval Requirements”). Effective upon the date the Stockholder Approval Requirement is satisfied, of which we provide no assurance, we have also agreed to reprice outstanding Warrants held by certain investors to reduce the exercise price to $0.75 per share.
Accumulated deficit	$ 197,413		$ 197,413		$ 182,293
Net losses	(7,847)	$ 627	(15,120)	$ (7,353)	$ 14,100
Cash	$ 5,553		5,553
Write-down property and equipment			$ 920
Purchase of Notes issued warrants to common stock	3,000		3,000			3,000,000
XTRAC and VTRAC [Member]
Acquisition price						$ 42,500