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Inventory (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Inventory consists of the following (in thousands):


		December 31,
		2014				2013
Raw materials		$	2,200			$	3,947
Work-in-process			5,187				6,146
Finished goods			5,565				3,359

Inventory		$	12,952			$	13,452