7. Earnings Per Share (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Earnings Per Share [Abstract]
Net income attributable to parent company	$ 391,370	$ 17,799	$ 1,026,536	$ 725,427
Weighted-average shares of common stock outstanding:
Basic shares outstanding	10,414,536	10,533,869	10,486,606	10,533,869
Dilutive effect of common stock equivalents arising from stock options	215,917	116,740	215,917	116,740
Diluted Outstanding shares	10,630,453	10,650,609	10,702,523	10,650,609
Basic earnings per share	$ .04	$ 0.00	$ .10	$ .07
Diluted earnings per share	$ 0.04	$ 0.00	$ 0.10	$ 0.07