7. Earnings Per Share (Details) - USD ($)	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Earnings Per Share [Abstract]
Net income attributable to Parent Company	$ 17,699,035	$ 5,550,618
Weighted-average shares of common stock outstanding:
Basic	11,350,946	10,581,499
Dilutive effect of common stock equivalents arising from stock options	241,955	134,480
Diluted Outstanding shares	11,592,901	10,715,979
Basic earnings per share attributable to Parent Company stockholders	$ 1.56	$ 0.52
Diluted earnings per share attributable to Parent Company stockholders	$ 1.53	$ 0.52