Condensed Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Condensed Consolidated Statements of Operations and Comprehensive Loss
Net sales	$ 59		$ 59
Operating expenses
Selling, general and administrative	2,486	1,495	6,612	5,004
Research and development	3,747	1,802	9,323	5,755
Total operating expenses	6,233	3,297	15,935	10,759
Loss from operations	(6,174)	(3,297)	(15,876)	(10,759)
Interest income	3	1	9	30
Loss before income taxes	(6,171)	(3,296)	(15,867)	(10,729)
Income tax benefit	(136)		(1,213)	(730)
Net loss	(6,035)	(3,296)	(14,654)	(9,999)
Basic and diluted loss per share (in dollars per share)	$ (0.47)	$ (0.42)	$ (1.29)	$ (1.49)
Weighted average shares outstanding - basic and diluted (in shares)	12,732	7,789	11,354	6,727
Comprehensive loss	$ (6,200)	$ (3,308)	$ (14,744)	$ (9,948)

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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