Condensed Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Condensed Consolidated Statements of Operations and Comprehensive Loss
Net sales	$ 0
Operating expenses
Selling, general and administrative	1,976	1,940
Research and development	2,426	2,166
Total operating expenses	4,402	4,106
Loss from operations	(4,402)	(4,106)
Interest income	3	25
Loss before income taxes	(4,399)	(4,081)
Income tax benefit	0
Net loss	(4,399)	(4,081)
Basic and diluted loss per share (in dollars per share)	$ (0.47)	$ (0.66)
Weighted average shares outstanding - basic and diluted (in shares)	9,417	6,169
Comprehensive loss	$ (4,407)	$ (4,027)

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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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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