Inventories and Deferred Costs of Goods Sold

12 Months Ended

Dec. 31, 2012

Inventories and Deferred Costs of Goods Sold [Abstract]

Inventory and Deferred Costs of Goods Sold [Text Block]

Inventories and Deferred Cost of Goods Sold

Inventories, net of $860 thousand and $860 thousand of reserves at December 31, 2012 and 2011, respectively, and deferred cost of goods sold consist of the following at December 31:

(in thousands)	2012		2011
Raw materials	$	1,784	$	2,284
Work in process	2,103		3,871
Finished goods	1,429		998
Net inventory	$	5,316	$	7,153
Deferred cost of goods sold	$	185	$	180

The Company wrote-off $317 thousand and $184 thousand of excess and obsolete inventory for the years ended December 31, 2012 and 2011, respectively.

Deferred cost of goods sold represents costs of equipment that has shipped to the customer and title has passed but not all revenue recognition criteria have yet been met.  The Company defers these costs until the related revenue is recognized.