XML 29 R11.htm IDEA: XBRL DOCUMENT v2.4.0.6
Note 5 - Inventories
6 Months Ended
Jun. 30, 2012
Inventory Disclosure [Text Block]
5.          Inventories

As of June 30, 2012 and December 31, 2011, inventories consisted of the following:

   
June 30,
2012
   
December 31,
2011
 
             
Raw materials
  $ 7,073,000     $ 8,007,000  
Work in process
    2,868,000       3,048,000  
Finished goods
    4,284,000       4,511,000  
    $ 14,225,000     $ 15,566,000