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Inventories
9 Months Ended
Sep. 30, 2012
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]
7.     Inventories:

Inventories are stated at the lower of cost (first‑in, first‑out) or market and include material, labor and manufacturing overhead. When required, provisions are made to reduce excess and obsolete inventories to their estimated net realizable value. Inventories consist of the following (in thousands):

 
September 30,
2012
 
December 31,
2011
 
 
 
 
Purchased materials
$
2,027

 
$
2,346

Work‑in‑process
32

 
86

Finished goods
8,473

 
8,693

 
$
10,532

 
$
11,125