Available for Sale Securities - Contractual maturities (Details) - USD ($)	Sep. 30, 2021	Jun. 30, 2021
Amortized Cost
Due in one year or less	$ 1,230,555
Due after one year through 5 years	12,670,932
Due after 5 years through 10 years	7,678,950
Due after 10 years	11,128,241
Subtotal	32,708,678
Total	33,902,595	$ 32,381,799
Fair Value
Due in one year or less	1,239,941
Due after one year through 5 years	12,854,734
Due after 5 years through 10 years	7,812,016
Due after 10 years	11,123,085
Subtotal	33,029,776
Totals	34,258,691	32,868,700
Mortgage-backed securities
Amortized Cost
Due after one year through 5 years	1,193,917
Due after 5 years through 10 years	0
Total	1,193,917	1,229,820
Fair Value
Due after one year through 5 years	1,228,915
Due after 5 years through 10 years	0
Totals	$ 1,228,915	$ 1,274,916