Stockholders' Equity (Schedule of Reconciliation of Numerators and Denominators of Basic and Diluted Per Share Computations) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2020	Jun. 30, 2019
Numerator:
Net Income	$ 956,693	$ (103,765)	$ 228,964	$ 81,776	$ 1,140,809	$ 922,456	$ 217,758	$ 61,671	$ 1,163,668	$ 2,342,694
Basic EPS:
Balance, beginning, shares				2,401,213				2,387,124	2,401,213	2,387,124
Unearned ESOP shares									(14,166)	(29,166)
Weighted average common shares issued during the period									2,161	9,708
Weighted average common shares purchased during the period									(1,332)	(362)
Weighted average ESOP shares earned during the period									5,331	5,641
Denominator for basic earnings per common shares - Weighted average common shares									2,393,207	2,372,945
Diluted EPS:
Weighted average dilutive effect of stock options									3,411	16,283
Denominator for diluted earnings per common shares - Weighted average common shares									2,396,618	2,389,228