Earnings Per Share (Details) - USD ($)	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Earnings Per Share.
Net income	$ 567,896	$ (140,697)
Basic potential common shares
Weighted average shares outstanding	2,624,343	0
Basic weighted average shares outstanding	2,624,343	0
Diluted potential common shares	0	0
Diluted weighted average shares outstanding	2,624,343	0
Basic earnings per share	$ 0.22	$ 0.00
Diluted earnings per share	$ 0.22	$ 0.00