Income (Loss) Per Share (Details) - USD ($)	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Income (Loss) Per Share
Net income (loss)	$ 1,092,099	$ (399,339)
Basic potential common shares
Weighted average shares outstanding	2,624,343	2,624,343
Basic weighted average shares outstanding	2,624,343	2,624,343
Diluted potential common shares	0	0
Diluted weighted average shares outstanding	2,624,343	2,624,343
Basic earnings (loss) per share	$ 0.42	$ (0.15)
Diluted earnings (loss) per share	$ 0.42	$ (0.15)