CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Revenues	$ 348	$ 20
Cost of revenues	179	13
Gross profit	169	7
Operating expenses:
Selling, general and administrative	685	661
Research and development	554	515
Total operating expenses	1,239	1,176
Loss from operations	(1,070)	(1,169)
Other income (expense):
Interest expense	(140)	(116)
Interest income	4
Foreign currency transaction gains (losses)	(8)	13
Change in fair value of warrant and option liabilities	(3,999)	(2,400)
Change in fair value of convertible notes	(1,312)	(3,107)
Loss on extinguishment of convertible notes	(1,283)
Total other expense	(6,738)	(5,610)
Net loss	$ (7,808)	$ (6,779)
Net loss per weighted average share, basic and diluted:
Net loss per weighted average share, basic and diluted (in dollars per share)	$ (0.19)	$ (0.22)
Weighted average shares outstanding:
Basic and diluted (in shares)	41,670	30,357