401(k) Plan (Tables)

12 Months Ended

Dec. 31, 2011

401(k) Plan

Schedule of employer-matching contributions

	2011		2010		2009
Continuing Operations:
Research and development	$	75	$	90	$	92
General and administrative		106		105		63
		181		195		155
Discontinued Operations:
Cost of goods sold and manufacturing		—		121		122
Selling, general and administrative		—		37		40
		—		158		162
Total 401(k) Plan employer-matching contributions	$	181	$	353	$	317