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Consolidated Statements of Shareholders' Equity (USD $)
Total
Accumulated Deficit
Common Shares
Beginning Balances at Jun. 30, 2010 $ 7,615,000 $ (9,060,000) $ 16,675,000
Beginning Balances, shares at Jun. 30, 2010     3,251,850
Exercise of stock options 43,000   43,000
Exercise of stock options, shares 20,500   20,500
Stock-based compensation plan activity 26,000   26,000
Net income (loss) 2,640,000 2,640,000  
Ending Balances at Jun. 30, 2011 10,324,000 (6,420,000) 16,744,000
Ending Balances, shares at Jun. 30, 2011 3,272,350   3,272,350
Repurchase of stock options (6,000)   (6,000)
Stock-based compensation plan activity 108,000   108,000
Net income (loss) (876,000) (876,000)  
Ending Balances at Jun. 30, 2012 $ 9,550,000 $ (7,296,000) $ 16,846,000
Ending Balances, shares at Jun. 30, 2012 3,272,350   3,272,350