Available for Sale Securities - Contractual maturities (Details) - USD ($)	Jun. 30, 2021	Jun. 30, 2020
Amortized Cost
Due in one year or less	$ 985,832
Due after one year through 5 years	12,923,027
Due after 5 years through 10 years	7,771,776
Due after 10 years	9,471,344
Subtotal	31,151,979
Total	32,381,799	$ 19,735,451
Fair Value
Due in one year or less	992,813
Due after one year through 5 years	13,134,220
Due after 5 years through 10 years	7,926,891
Due after 10 years	9,539,860
Subtotal	31,593,784
Totals	32,868,700	20,297,595
Mortgage-backed securities
Amortized Cost
Due after 5 years through 10 years	1,229,820
Total	1,229,820	1,371,753
Fair Value
Due after 5 years through 10 years	1,274,916
Totals	$ 1,274,916	$ 1,443,643