Inventories (Details) (USD $)
Sep. 30, 2012
Jun. 30, 2012
Inventories [Abstract]    
Raw materials $ 1,679,000 $ 1,598,000
Work in process 2,281,000 2,209,000
Finished goods 2,249,000 2,483,000
Total $ 6,209,000 $ 6,290,000