Available for Sale Securities - Contractual maturities (Details) - USD ($)	Dec. 31, 2021	Jun. 30, 2021
Amortized Cost
Due in one year or less	$ 1,875,278
Due after one year through 5 years	12,123,723
Due after 5 years through 10 years	7,873,353
Due after 10 years	15,782,253
Subtotal	37,654,607
Total	38,812,391	$ 32,381,799
Fair Value
Due in one year or less	1,888,794
Due after one year through 5 years	12,237,278
Due after 5 years through 10 years	7,925,832
Due after 10 years	15,800,541
Subtotal	37,852,445
Totals	39,033,226	32,868,700
Mortgage-backed securities
Amortized Cost
Due after one year through 5 years	1,157,784
Due after 5 years through 10 years	0
Total	1,157,784	1,229,820
Fair Value
Due after one year through 5 years	1,180,781
Due after 5 years through 10 years	0
Totals	$ 1,180,781	$ 1,274,916