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2. Acquisition (Details 1) (USD $)
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Acquisition Details 1    
Net sales $ 6,352,700 $ 6,019,800
Net income (loss) $ (48,200) $ 83,400
Net income (loss) per share – basic $ (0.04) $ 0.06
Net income (loss) per share - diluted $ (0.04) $ 0.06