7. Earnings Per Share (Details) - USD ($)	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Net income attributable to parent company	$ (2,092,457)	$ 873,960
Weighted-average shares of common stock outstanding:
Basic	10,538,610	10,501,730
Dilutive effect of common stock equivalents arising from stock options	0	159,170
Diluted Outstanding shares	10,538,610	10,660,900
Basic earnings (loss) per share	$ (0.20)	$ 0.08
Diluted earnings (loss) per share	$ (0.20)	$ 0.08