Condensed Consolidated Statement of Changes in Stockholders' Deficit (USD $) In Thousands, except Share data, unless otherwise specified	Total	Additional Paid in Capital	Accumulated Deficit	Non-Controlling Interest	Accumulated Other Comprehensive Income (Loss)	Series A-1 Preferred Shares	Series B Preferred Shares	Series C Preferred Shares	Series D-1 Preferred Shares	Series D-2 Preferred Shares	Common Stock	Treasury Stock
Beginning balance at Dec. 31, 2011	$ (357)	$ 97,715	$ (111,305)	$ (534)	$ (43)	$ 880	$ 7,380	$ 3,569			$ 1,981
Beginning balance (in shares) at Dec. 31, 2011						880,000	9,250,000	3,547,000			198,188,000
Stock-based employee compensation	461	461
Restricted stock expense	(2)	(2)
Common Stock received as settlement of 16b claim	(325)											(325)
Receipt of 6.5M Common Shares in settlement of the 16b action, shares											6,500,000
Series C Preferred issued in settlement of indemnity claim	417							417
Series C Preferred Shares issued in settlement of an indemnification claim related to the 16b settlement, shares								278,000
Common shares issued in connection with the cashless exercise of warrants		(202)									202
Common shares issued in connection with the cashless exercise of warrants. shares											20,186,000
Common shares issued in connection with the exercise of warrants for cash	212	138									74
Common shares issued in connection with the exercise of warrants for cash. shares											7,439,000
Common shares issued in connection with the exercise of stock options option for cash	13	11									2
Common shares issued in connection with the exercise of stock options option for cash, shares											203,000
Common shares issued in connection with the conversion of Series B Preferred Shares		107					140				33
Common shares issued in connection with the conversion of Series B Preferred Shares, shares							140,000				3,232,000
Common shares issued in connection with the conversion of Series C Preferred Shares		22						39			17
Common shares issued in connection with the conversion of Series C Preferred Shares, shares								39,000			1,729,000
Series D-1 Preferred Shares issued in a private placement upon conversion of short-term debt, net of offering expenses of $76, value	1,034								1,034
Series D-1 Preferred Shares issued in a private placement upon conversion of short-term debt net of offering expenses, shares									1,110,000
Series D-2 Preferred Shares issued in a private placement upon conversion of short-term debt, net of offering expenses of $114, value	2,065									2,065
Series D-2 Preferred Shares issued in a private placement upon conversion of short-term debt net of offering expenses, shares										2,179,000
Series D-2 Preferred Shares issued in a private placement for cash, net of offering expenses, value	967									967
Series D-2 Preferred Shares issued in a private placement for cash, net of offering expenses, shares										1,082,000
Accretion of Beneficial Conversion Feature on Series C Preferred Shares issued in settlement of the indemnification claim		(417)						417
Accretion of Benefitial Conversion Feature on Series D-1 Preferred Shares issued in a private placement upon conversion of short-term debt		(111)							1,110
Accretion of beneficial conversion feature on Series D-2 preferred shares issued in a private placement upon the conversion of short term debt plus accrued interest										(39)
Preferred shares dividends, paid in kind		(799)				73	680	4	1	41
Preferred share dividends, paid-in-kind, shares						730,000	948,000	389,000	14,000	41,000
Accretion Of Benefitial Conversion Feature On Preferred Stock Dividends Issued In Kind		(666)					268	385	13
Net loss attributable to non-controlling interest	2			2
Comprehensive income:
Net loss	(3,115)		(3,115)
Foreign currency translation adjustment	14				14
Total comprehensive loss	(3,101)
Ending balance at Dec. 31, 2012	1,387	95,262	(114,420)	(536)	(29)	953	8,188	4,754	2,158	3,073	2,309	(325)
Ending balance (in shares) at Dec. 31, 2012						953,000	10,058,000	4,175,000	1,124,000	3,302,000	234,523,000
Stock-based employee compensation	819	819
Common shares issued in connection with the cashless exercise of warrants		(23)									23
Common shares issued in connection with the cashless exercise of warrants. shares											2,283,000
Common shares issued in connection with the exercise of warrants for cash	29	160									13
Common shares issued in connection with the exercise of warrants for cash. shares											1,300,000
Common shares issued in connection with the conversion of Series C Preferred Shares		55						(100)			45
Common shares issued in connection with the conversion of Series C Preferred Shares, shares								(100,000)			4,452,000
Series D-1 Preferred Shares issued in a private placement upon conversion of short-term debt, net of offering expenses of $76, value	786								786
Series D-1 Preferred Shares issued in a private placement upon conversion of short-term debt net of offering expenses, shares									786,000
Series D-2 Preferred Shares issued in a private placement upon conversion of short-term debt, net of offering expenses of $114, value	393									393
Series D-2 Preferred Shares issued in a private placement upon conversion of short-term debt net of offering expenses, shares										393,000
Series D-1 preferred shares issued in a private placement for cash, net of offering expenses, value	810								810
Series D-1 preferred shares issued in a private placement for cash, net of offering expenses, shares									837,000
Series D-2 Preferred Shares issued in a private placement for cash, net of offering expenses, value	1,211									1,211
Series D-2 Preferred Shares issued in a private placement for cash, net of offering expenses, shares										1,223,000
Accretion of benefitial conversion feature on preferred shares		152							(152)
Accretion of Benefitial Conversion Feature on Series D-1 Preferred Shares issued in a private placement upon conversion of short-term debt		395							(395)
Cost of warrants issued with Series D-1 preferred shares issued in a private placement upon the conversion of short-term debt plus accrued interest		391							(391)
Cost of warrants issued with Series D-2 preferred shares issued in a private placement upon the conversion of short-term debt plus accrued interest		196								(196)
Accretion of beneficial conversion feature on Series D-2 preferred shares issued in a private placement upon the conversion of short term debt plus accrued interest		39
Cost of warrants issued with Series D-1 preferred shares issued in a private placement for cash		302							(302)
Accretion of beneficial conversion feature on Series D-1 preferred shares issued in a private placement for cash		381							(381)
Cost of warrants issued with Series D-2 preferred shares issued in a private placement for cash		151								(151)
Accretion Of beneficial conversion feature on Series D-2 preferred shares issued in a private placement for cash		30								(30)
Exchange of Series D-2 Preferred Stock for shares of Series D-1 Preferred Stock issued in May 2014, value									537	(537)
Exchange of Series D-2 Preferred Stock for shares of Series D-1 Preferred Stock issued in May 2015, shares									537,000	(537,000)
Cost Of Warrants Issued On Exchange Of Series D Preferred Stock		577							(385)	(192)
Warrants issued with short term debt	403	403
Loan discount on demand notes	111	111
Preferred shares dividends, paid in kind		(2,088)				78	1,044	433	131	402
Preferred share dividends, paid-in-kind, shares						78,000	1,044,000	433,000	131,000	402,000
Accretion Of Benefitial Conversion Feature On Preferred Stock Dividends Issued In Kind		250						(191)	(59)
Net loss attributable to non-controlling interest
Comprehensive income:
Net loss	(4,764)		(4,764)
Foreign currency translation adjustment	15				15
Total comprehensive loss	(4,749)
Ending balance at Dec. 31, 2013	$ 1,199	$ 97,419	$ (119,184)	$ (536)	$ (14)	$ 1,031	$ 9,232	$ 4,508	$ 3,415	$ 3,934	$ 2,390	$ (325)
Ending balance (in shares) at Dec. 31, 2013						1,031,000	11,102,000	4,895,000	2,357,000	4,783,000	232,558,000