Earnings Per Share (Details) - USD ($)	3 Months Ended				6 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share
Net income	$ 361,883	$ 567,896	$ (46,601)	$ (140,698)	$ 929,779	$ (187,299)
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
Weighted Average Number of Shares Outstanding, Diluted, Total	2,624,343				2,624,343
Basic earnings per share	$ 0.14				$ 0.35
Diluted earnings per share	$ 0.14				$ 0.35