Allowance for Loan Losses (Details) - USD ($)	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Allowance for Loan and Lease Losses [Roll Forward]
Balance at Beginning	$ 1,293,965	$ 1,324,159
Charge-offs	(102,729)	(60,343)
Recoveries	27,191	30,149
Provision	135,000	0
Balance at Ending	1,353,427	1,293,965
Allowance
Ending balance individually evaluated for impairment			$ 205,923	$ 103,315
Ending balance collectively evaluated for impairment			1,147,504	1,190,650
Ending balance			1,353,427	1,293,965
Loans
Ending balance individually evaluated for impairment			1,341,174	1,524,868
Ending balance collectively evaluated for impairment			237,312,731	259,642,500
Total loans			238,653,905	261,167,368
Less allowance	1,353,427	1,293,965	1,353,427	1,293,965
Total			237,300,478	259,873,403
Construction, land, development
Allowance for Loan and Lease Losses [Roll Forward]
Balance at Beginning	4,319	4,758
Charge-offs	0	0
Recoveries	0	0
Provision	9,476	(439)
Balance at Ending	13,795	4,319
Allowance
Ending balance individually evaluated for impairment			0	0
Ending balance collectively evaluated for impairment			13,795	4,319
Ending balance			13,795	4,319
Loans
Ending balance individually evaluated for impairment			0	0
Ending balance collectively evaluated for impairment			4,598,382	4,318,845
Total loans			4,598,382	4,318,845
Less allowance	13,795	4,319	13,795	4,319
Total			4,584,587	4,314,526
1-4 family owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at Beginning	67,593	7,300
Charge-offs	(57,572)	0
Recoveries	5,155	28,735
Provision	341,258	31,558
Balance at Ending	356,434	67,593
Allowance
Ending balance individually evaluated for impairment			64,780	5,772
Ending balance collectively evaluated for impairment			291,654	61,821
Ending balance			356,434	67,593
Loans
Ending balance individually evaluated for impairment			965,734	1,203,256
Ending balance collectively evaluated for impairment			99,540,577	123,642,066
Total loans			100,506,311	124,845,322
Less allowance	356,434	67,593	356,434	67,593
Total			100,149,877	124,777,729
1-4 family non-owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at Beginning	26,630	71,053
Charge-offs	0	(44,534)
Recoveries	0	0
Provision	50,590	111
Balance at Ending	77,220	26,630
Allowance
Ending balance individually evaluated for impairment			0	0
Ending balance collectively evaluated for impairment			77,220	26,630
Ending balance			77,220	26,630
Loans
Ending balance individually evaluated for impairment			57,574	0
Ending balance collectively evaluated for impairment			21,156,106	20,968,812
Total loans			21,213,680	20,968,812
Less allowance	77,220	26,630	77,220	26,630
Total			21,136,460	20,942,182
Multifamily
Allowance for Loan and Lease Losses [Roll Forward]
Balance at Beginning	109,870	71,101
Charge-offs	0	0
Recoveries	0	0
Provision	176,795	38,769
Balance at Ending	286,665	109,870
Allowance
Ending balance individually evaluated for impairment			0	0
Ending balance collectively evaluated for impairment			286,665	109,870
Ending balance			286,665	109,870
Loans
Ending balance individually evaluated for impairment			0	0
Ending balance collectively evaluated for impairment			76,444,156	73,246,392
Total loans			76,444,156	73,246,392
Less allowance	286,665	109,870	286,665	109,870
Total			76,157,491	73,136,522
Commercial owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at Beginning	61,193	131,906
Charge-offs	0	0
Recoveries	0	0
Provision	34,518	(70,713)
Balance at Ending	95,711	61,193
Allowance
Ending balance individually evaluated for impairment			79,351	44,564
Ending balance collectively evaluated for impairment			16,360	16,629
Ending balance			95,711	61,193
Loans
Ending balance individually evaluated for impairment			189,249	193,601
Ending balance collectively evaluated for impairment			6,543,934	8,314,410
Total loans			6,733,183	8,508,011
Less allowance	95,711	61,193	95,711	61,193
Total			6,637,472	8,446,818
Commercial non-owner occupied
Allowance for Loan and Lease Losses [Roll Forward]
Balance at Beginning	738,366	925,355
Charge-offs	0	0
Recoveries	0	0
Provision	(425,696)	(186,989)
Balance at Ending	312,670	738,366
Allowance
Ending balance individually evaluated for impairment			0	0
Ending balance collectively evaluated for impairment			312,670	738,366
Ending balance			312,670	738,366
Loans
Ending balance individually evaluated for impairment			0	0
Ending balance collectively evaluated for impairment			20,237,534	19,502,545
Total loans			20,237,534	19,502,545
Less allowance	312,670	738,366	312,670	738,366
Total			19,924,864	18,764,179
Consumer and installment loans
Allowance for Loan and Lease Losses [Roll Forward]
Balance at Beginning	70,058	98,096
Charge-offs	(45,157)	(15,809)
Recoveries	22,036	1,414
Provision	50,375	(13,643)
Balance at Ending	97,312	70,058
Allowance
Ending balance individually evaluated for impairment			61,792	52,979
Ending balance collectively evaluated for impairment			35,520	17,079
Ending balance			97,312	70,058
Loans
Ending balance individually evaluated for impairment			128,617	128,011
Ending balance collectively evaluated for impairment			8,792,042	9,649,430
Total loans			8,920,659	9,777,441
Less allowance	97,312	70,058	97,312	70,058
Total			8,823,347	9,707,383
Not Specifically Allocated
Allowance for Loan and Lease Losses [Roll Forward]
Balance at Beginning	215,936	14,590
Charge-offs	0	0
Recoveries	0	0
Provision	(102,316)	201,346
Balance at Ending	113,620	215,936
Allowance
Ending balance individually evaluated for impairment			0	0
Ending balance collectively evaluated for impairment			113,620	215,936
Ending balance			113,620	215,936
Loans
Ending balance individually evaluated for impairment			0	0
Ending balance collectively evaluated for impairment			0	0
Total loans			0	0
Less allowance	$ 113,620	$ 215,936	113,620	215,936
Total			$ (113,620)	$ (215,936)