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, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2021	Jun. 30, 2020
Numerator:
Net (loss) Income	$ 879,753	$ (1,070,114)	$ (181,006)	$ 189,824	$ 956,693	$ (103,765)	$ 228,964	$ 81,776	$ (181,543)	$ 1,163,668
Basic EPS:
Balance, beginning, shares				2,402,633				2,401,213	2,402,633	2,401,213
Common shares issued to ESOP during the period									300,000
Unearned ESOP shares									(300,000)	(14,166)
Weighted average common shares issued during the period										2,161
Weighted average common shares purchased during the period										(1,332)
Weighted average ESOP shares earned during the period									3,712	5,331
Denominator for basic earnings per common shares - Weighted average common shares									2,406,345	2,393,207
Diluted EPS:
Weighted average dilutive effect of stock options										3,411
Denominator for diluted earnings per common shares - Weighted average common shares									2,406,345	2,396,618