XML 42 R12.htm IDEA: XBRL DOCUMENT v2.4.0.6
Inventories, Net
6 Months Ended
Jun. 30, 2012
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

Note 5 - Inventories, Net

    June 30,
2012
    December 31, 2011  
Raw materials   $ 2,749,000     $ 3,027,000  
Work in process     1,257,000       1,503,000  
Finished goods     10,349,000       9,193,000  
Allowance for excess quantities     (561,000 )     (384,000 )
Total inventories   $ 13,794,000     $ 13,339,000