Loans Receivable (Details) - Schedule of principal balance outstanding in past due loans - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020
Residential real estate:
Total Past Due	$ 6,465	$ 6,542
Loans Not Past Due	285,580	280,833
Total	292,045	287,375
Farm [Member]
Residential real estate:
Total Past Due	105	416
Loans Not Past Due	2,401	1,938
Total	2,506	2,354
Nonresidential real estate [Member]
Residential real estate:
Total Past Due	350	310
Loans Not Past Due	35,331	33,193
Total	35,681	33,503
Commercial nonmortgage [Member]
Residential real estate:
Total Past Due
Loans Not Past Due	2,608	2,214
Total	2,608	2,214
Loans on deposits [Member]
Residential real estate:
Total Past Due
Loans Not Past Due	1,280	1,245
Total	1,280	1,245
Home Equity Loan [Member]
Residential real estate:
Total Past Due	360	345
Loans Not Past Due	7,036	7,300
Total	7,396	7,645
Automobiles [Member]
Residential real estate:
Total Past Due	1
Loans Not Past Due	73	67
Total	74	67
Unsecured [Member]
Residential real estate:
Total Past Due	4
Loans Not Past Due	653	675
Total	657	675
30-89 Days Past Due [Member]
Residential real estate:
Total Past Due	3,778	3,157
30-89 Days Past Due [Member] \| Farm [Member]
Residential real estate:
Total Past Due	105	107
30-89 Days Past Due [Member] \| Nonresidential real estate [Member]
Residential real estate:
Total Past Due	99	57
30-89 Days Past Due [Member] \| Commercial nonmortgage [Member]
Residential real estate:
Total Past Due
30-89 Days Past Due [Member] \| Loans on deposits [Member]
Residential real estate:
Total Past Due
30-89 Days Past Due [Member] \| Home Equity Loan [Member]
Residential real estate:
Total Past Due	306	255
30-89 Days Past Due [Member] \| Automobiles [Member]
Residential real estate:
Total Past Due	1
30-89 Days Past Due [Member] \| Unsecured [Member]
Residential real estate:
Total Past Due	4
90 Days or Greater Past Due [Member]
Residential real estate:
Total Past Due	2,687	3,385
90 Days or Greater Past Due [Member] \| Farm [Member]
Residential real estate:
Total Past Due		309
90 Days or Greater Past Due [Member] \| Nonresidential real estate [Member]
Residential real estate:
Total Past Due	251	253
90 Days or Greater Past Due [Member] \| Commercial nonmortgage [Member]
Residential real estate:
Total Past Due
90 Days or Greater Past Due [Member] \| Loans on deposits [Member]
Residential real estate:
Total Past Due
90 Days or Greater Past Due [Member] \| Home Equity Loan [Member]
Residential real estate:
Total Past Due	54	90
90 Days or Greater Past Due [Member] \| Automobiles [Member]
Residential real estate:
Total Past Due
90 Days or Greater Past Due [Member] \| Unsecured [Member]
Residential real estate:
Total Past Due
One-to four-family [Member]
Residential real estate:
Total Past Due	5,546	5,216
Loans Not Past Due	216,113	217,273
Total	221,659	222,489
One-to four-family [Member] \| 30-89 Days Past Due [Member]
Residential real estate:
Total Past Due	3,227	2,546
One-to four-family [Member] \| 90 Days or Greater Past Due [Member]
Residential real estate:
Total Past Due	2,319	2,670
Multi-family [Member]
Residential real estate:
Total Past Due
Loans Not Past Due	14,503	12,373
Total	14,503	12,373
Multi-family [Member] \| 30-89 Days Past Due [Member]
Residential real estate:
Total Past Due
Multi-family [Member] \| 90 Days or Greater Past Due [Member]
Residential real estate:
Total Past Due
Construction [Member]
Residential real estate:
Total Past Due	99	255
Loans Not Past Due	4,670	3,790
Total	4,769	4,045
Construction [Member] \| 30-89 Days Past Due [Member]
Residential real estate:
Total Past Due	36	192
Construction [Member] \| 90 Days or Greater Past Due [Member]
Residential real estate:
Total Past Due	63	63
Land [Member]
Residential real estate:
Total Past Due
Loans Not Past Due	912	765
Total	912	765
Land [Member] \| 30-89 Days Past Due [Member]
Residential real estate:
Total Past Due
Land [Member] \| 90 Days or Greater Past Due [Member]
Residential real estate:
Total Past Due