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Inventories,Net
9 Months Ended
Sep. 30, 2013
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

Note 5 - Inventories, Net

 
 
 
September 30, 
2013
 
December 31,
 2012
 
Raw materials
 
$
4,103,000
 
$
3,486,000
 
Work in process
 
 
1,279,000
 
 
1,388,000
 
Finished goods
 
 
10,596,000
 
 
11,576,000
 
Allowance for excess quantities
 
 
(708,000)
 
 
(636,000)
 
Total inventories
 
$
15,270,000
 
$
15,814,000