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Inventories
3 Months Ended
Sep. 30, 2011
Inventories [Abstract] 
Inventories
2.      Inventories

Inventories consisted of the following at:

   
September 30, 2011
  
June 30, 2011
 
        
Raw materials
 $1,666,000  $1,945,000 
Work in process
  2,435,000   1,731,000 
Finished goods
  2,477,000   2,672,000 
   $6,578,000  $6,348,000