Condensed Consolidated Statement of Changes in Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Additional Paid in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income	Series A-1	Series B	Series C	Common Stock	Treasury Stock
Beginning balance at Dec. 31, 2011	$ (357)	$ 97,715	$ (111,839)	$ (43)	$ 880	$ 7,380	$ 3,569	$ 1,981	$ 0
Beginning balance (in shares) at Dec. 31, 2011					880	9,250	3,547	198,188	0
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)
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
Stock-based employee compensation	151	151
Common shares issued in connection with the cashless exercise of warrants	0	(202)						202
Common shares issued in connection with the cashless exercise of warrants. shares								20,186
Common shares issued in connection with the exercise of warrants for cash	213	139						74
Common shares issued in connection with the exercise of warrants for cash. shares								7,439
Common shares issued in connection with the exercise of stock options option for cash	9	8						1
Common shares issued in connection with the exercise of stock options option for cash, shares								132
Common shares issued in connection with the conversion of Series B Preferred Shares	0	107				(140)		33
Common shares issued in connection with the conversion of Series B Preferred Shares, shares						(140)		3,232
Accretion of Beneficial Conversion Feature on Series C Preferred Shares issued in settlement of the indemnification claim	0	(418)					418
Accretion Of Benefitial Conversion Feature On Preferred Stock Dividends Issued In Kind	0	(241)				153	88
Preferred shares dividends, paid in kind	0	(91)			18	73
Preferred share dividends, paid-in-kind, shares					18	227	89
Comprehensive income:
Net loss	(819)		(819)
Foreign currency translation adjustment	(2)			(2)
Total comprehensive loss	(821)
Ending balance at Mar. 31, 2012	$ (713)	$ 97,168	$ (112,658)	$ (45)	$ 898	$ 7,466	$ 4,492	$ 2,291	$ (325)
Ending balance (in shares) at Mar. 31, 2012					898	9,337	3,914	222,677