Available for Sale Securities - Amortized cost and fair value of available for sale securities (Details) - USD ($)	Sep. 30, 2019	Jun. 30, 2019
Amortized Cost
Due in one year or less	$ 1,224,926
Due after one year through 5 years	10,659,846
Due after 5 years through 10 years	6,965,224
Due after 10 years	1,150,000
Subtotal	19,999,996
Total	21,475,237	$ 20,339,563
Fair Value
Due in one year or less	1,225,269
Due after one year through 5 years	10,779,741
Due after 5 years through 10 years	7,071,296
Due after 10 years	1,191,588
Subtotal	20,267,894
Totals	21,795,702	20,542,118
Mortgage-backed securities
Amortized Cost
Due after one year through 5 years	1,040,480
Due after 5 years through 10 years	434,761
Total	1,475,241	1,065,193
Fair Value
Due after one year through 5 years	1,088,215
Due after 5 years through 10 years	439,593
Totals	$ 1,527,808	$ 1,106,138