CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenues	$ 363	$ 398	$ 383	$ 455
Cost of revenues	211	198	224	338
Gross profit	152	200	159	117
Operating expenses:
Selling, general and administrative	564	667	1,225	1,260
Research and development	554	373	1,069	446
Total operating expenses	1,118	1,040	2,294	1,706
Gain on the sale of assets		(40)		(40)
Loss from continuing operations	(966)	(800)	(2,135)	(1,549)
Other income (expense):
Interest expense	(116)	(115)	(232)	(161)
Foreign currency transaction losses	(28)		(14)
Financing costs associated with convertible notes				(530)
Change in fair value of warrant liabilities		372	(2,400)	(1,104)
Change in fair value of convertible notes	(354)	2	(3,461)	(2,216)
Other income	20		20
Total other income (expense)	(478)	259	(6,087)	(4,011)
Net loss from continuing operations before income taxes	(1,444)	(541)	(8,222)	(5,560)
Benefit for income taxes from continuing operations				492
Net loss from continuing operations, net of income taxes	(1,444)	(541)	(8,222)	(5,068)
Discontinued operations:
Income from discontinued operations, net of income taxes				53
Gain on sale of discontinued operations, net of provision for income taxes of $492				687
Net income from discontinued operations, net of income taxes				740
Net loss	$ (1,444)	$ (541)	$ (8,222)	$ (4,328)
Net loss per weighted average share, basic and diluted:
From loss on continuing operations attributable to common stockholders (in dollars per share)	$ (0.05)	$ (0.02)	$ (0.27)	$ (0.17)
From income on discontinued operations (in dollars per share)				$ 0.00
From gain on sale of discontinued operations (in dollars per share)				$ 0.02
Net loss attributable to common stockholders per weighted average share, basic and diluted (in dollars per share)	$ (0.05)	$ (0.02)	$ (0.27)	$ (0.14)
Weighted average shares outstanding:
Basic (in shares)	30,983,000	30,351,000	30,668,000	30,351,000
Diluted (in shares)	30,983,000	30,351,000	30,668,000	30,351,000