Inventories and Deferred Costs of Goods Sold (Tables)

3 Months Ended

Jun. 30, 2013

Inventories and Deferred Costs of Goods Sold [Abstract]

Schedule of Inventories and Deferred Costs of Goods Sold [Table Text Block]

Inventories, net of $1.0 million and $860 thousand of reserves at June 30, 2013 and December 31, 2012, respectively, and deferred cost of goods sold consist of the following at: 

(in thousands)	June 30, 2013		December 31, 2012
Raw materials	$	1,524	$	1,784
Work in process	2,086		2,103
Finished goods	1,356		1,429
Net inventory	$	4,966	$	5,316
Deferred cost of goods sold	$	92	$	185