Consolidated Statement of Shareholders' Deficit (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2009	$ 23	$ 153,059	$ (89)	$ (276,985)	$ (779)	$ (124,771)
Balance (in shares) at Dec. 31, 2009	22,675,678				2,012
Shares issued upon conversions of Series C preferred stock	2	631	0	0	0	633
Shares issued upon conversions of Series C preferred stock (in shares)	2,443,300
Shares issued upon conversions of convertible debentures	1	119	0	0	0	120
Shares issued upon conversions of convertible debentures (in shares)	560,000
Deemed dividend on Series D preferred stock	0	0	0	(2,500)	0	(2,500)
Stock-based compensation expense	0	165	0	0	0	165
Comprehensive income (loss) - foreign currency translation adjustment	0	0	(50)	0	0	(50)
Net income (loss)	0	0	0	35,090	0	35,090
Balance at Dec. 31, 2010	26	153,974	(139)	(244,395)	(779)	(91,313)
Balance (in shares) at Dec. 31, 2010	25,678,978				2,012
Shares issued for acquisition of patent rights	5	345	0	0	0	350
Shares issued for acquisition of patent rights (in shares)	5,000,000
Shares issued upon conversions of Series C preferred stock	223	9,651	0	0	0	9,874
Shares issued upon conversions of Series C preferred stock (in shares)	223,611,975
Shares issued upon conversions of Series D preferred stock	103	1,848	0	0	0	1,951
Shares issued upon conversions of Series D preferred stock (in shares)	102,704,877
Shares issued upon conversions of convertible debentures	185	4,122	0	0	0	4,307
Shares issued upon conversions of convertible debentures (in shares)	184,988,281
Stock-based compensation expense	0	66	0	0	0	66
Comprehensive income (loss) - foreign currency translation adjustment	0	0	(40)	0	0	(40)
Net income (loss)	0	0	0	(849)	0	(849)
Balance at Dec. 31, 2011	$ 542	$ 170,006	$ (179)	$ (245,244)	$ (779)	$ (75,654)
Balance (in shares) at Dec. 31, 2011	541,984,111				2,012