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8. Earnings Per Share (Details) - USD ($)
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Earnings Per Share [Abstract]    
Net income attributable to parent company $ 1,610,971 $ 760,008
Weighted-average shares of common stock outstanding:    
Basic 10,414,755 10,533,869
Dilutive effect of common stock equivalents arising from stock options 239,142 106,864
Diluted Outstanding shares 10,653,897 10,640,733
Basic earnings (loss) per share $ .15 $ 0.07
Diluted earnings (loss) per share $ .15 $ 0.07