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Consolidated Balance Sheets (Parenthetical) (USD $)
Jun. 30, 2012
Jun. 30, 2011
Consolidated Balance Sheets [Abstract]    
Accounts receivable, allowance for doubtful accounts $ 16,000 $ 7,000
Common stock, par value      
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 3,272,350 3,272,350
Common stock, shares outstanding 3,272,350 3,272,350