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, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Numerator:
Net income (loss)	$ 276,506	$ 661,359	$ 21,201	$ 306,061	$ 879,753	$ (1,070,114)	$ (181,006)	$ 189,824	$ 1,265,127	$ (181,543)
Basic EPS:
Common shares outstanding, beginning of period	2,702,633				2,702,633				2,702,633	2,702,633	2,402,633
Common shares issued to ESOP during the period										300,000
Unearned ESOP shares									(279,429)	(300,000)
Weighted average common shares issued during the period
Weighted average common shares purchased during the period
Weighted average ESOP shares earned during the period									8,700	3,712
Denominator for basic earnings per common shares –Weighted average common shares									2,431,904	2,406,345
Diluted EPS:
Common shares outstanding, beginning of period	2,702,633				2,702,633				2,702,633	2,702,633	2,402,633
Common shares issued to ESOP during the period										300,000
Unearned ESOP shares									279,429	300,000
Weighted average common shares issued during the period
Weighted average common shares purchased during the period
Weighted average ESOP shares earned during the period									8,700	3,712
Weighted average dilutive effect of stock options
Denominator for diluted earnings per common shares –Weighted average common shares									2,431,904	2,406,345