Available for Sale Securities - Amortized cost and fair value of available for sale securities (Details) - USD ($)	Jun. 30, 2019	Jun. 30, 2018
Amortized Cost
Due in one year or less	$ 1,227,514
Due after one year through 5 years	10,426,113
Due after 5 years through 10 years	6,970,743
Due after 10 years	650,000
Subtotal	19,274,370
Total	20,339,563	$ 21,339,126
Fair Value
Due in one year or less	1,226,249
Due after one year through 5 years	10,516,390
Due after 5 years through 10 years	7,009,371
Due after 10 years	683,970
Subtotal	19,435,980
Totals	20,542,118	20,906,087
Mortgage-backed securities
Amortized Cost
Due after one year through 5 years	510,155
Due after 5 years through 10 years	555,038
Total	1,065,193	1,162,412
Fair Value
Due after one year through 5 years	528,629
Due after 5 years through 10 years	577,509
Totals	$ 1,106,138	$ 1,157,941