CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues	$ 27	$ 17	$ 482	$ 533
Cost of revenues	17	39	355	632
Gross profit (loss)	10	(22)	127	(99)
Operating expenses:
Selling, general and administrative	591	545	1,850	2,184
Research and development	312	116	759	482
Total operating expenses	903	661	2,609	2,666
Gain on the sale of assets			(40)	(98)
Loss from continuing operations	(893)	(683)	(2,442)	(2,667)
Other income (expense):
Interest expense	(116)		(277)
Financing costs associated with convertible notes			(530)
Change in fair value of warrant liabilities	232		(872)
Change in fair value of convertible notes	376		(1,840)
Total other income (expense)	492		(3,519)
Net loss from continuing operations	(401)	(683)	(5,961)	(2,667)
Discontinued operations:
Income from discontinued operations, net		678	53	1,903
Gain on sale of discontinued operations, net			1,179
Net loss	$ (401)	$ (5)	$ (4,729)	$ (764)
Net loss per weighted average share, basic and diluted:
From loss on continuing operations attributable to common stockholders (in dollars per share)	$ (0.01)	$ (0.02)	$ (0.20)	$ (0.09)
From income on discontinued operations (in dollars per share)		$ 0.02		$ 0.06
From gain on sale of discontinued operations (in dollars per share)			$ 0.04
Net loss attributable to common stockholders per weighted average share, basic and diluted (in dollars per share)	$ (0.01)	$ 0	$ (0.16)	$ (0.03)
Weighted average shares outstanding:
Basic (in shares)	30,351	30,351	30,351	30,351
Diluted (in shares)	30,351	30,351	30,351	30,351