Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2012

Property and Equipment [Abstract]

Property and equipment for operations

	June 30, 2012			December 31, 2011
Property and equipment:
Manufacturing equipment	$	6,925		$	6,925
Leasehold improvements		1,637			1,610
Computer equipment and software		1,510			1,629
Furniture and fixtures		458			458
Construction-in-process		4,483			3,965
		15,013			14,587
Less accumulated depreciation		(4,717	)		(4,018	)
Total	$	10,296		$	10,569