Loans (Details 6) - USD ($) $ in Thousands | Jun. 30, 2017 | Jun. 30, 2016 |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | $ 260,031 | $ 244,988 |
Pass [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 60,129 | 57,411 |
Special Mention [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 6,230 | 7,321 |
Substandard [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 11,729 | 12,488 |
Doubtful [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Not rated [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 181,943 | 167,768 |
One-to four-family [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 197,936 | 186,125 |
One-to four-family [Member] | Pass [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
One-to four-family [Member] | Special Mention [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 6,110 | 6,387 |
One-to four-family [Member] | Substandard [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 9,883 | 11,970 |
One-to four-family [Member] | Doubtful [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
One-to four-family [Member] | Not rated [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 181,943 | 167,768 |
Multi-family [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 15,678 | 15,559 |
Multi-family [Member] | Pass [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 14,541 | 15,220 |
Multi-family [Member] | Special Mention [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Multi-family [Member] | Substandard [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 1,137 | 339 |
Multi-family [Member] | Doubtful [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Multi-family [Member] | Not rated [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Construction [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 2,398 | 2,809 |
Construction [Member] | Pass [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 2,398 | 2,809 |
Construction [Member] | Special Mention [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Construction [Member] | Substandard [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Construction [Member] | Doubtful [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Construction [Member] | Not rated [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Nonresidential real estate [Member] | Pass [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 29,061 | 26,061 |
Nonresidential real estate [Member] | Special Mention [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | 904 |
Nonresidential real estate [Member] | Substandard [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 150 | 173 |
Nonresidential real estate [Member] | Doubtful [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Nonresidential real estate [Member] | Not rated [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Land [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 1,304 | 1,186 |
Land [Member] | Pass [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 1,304 | 1,186 |
Land [Member] | Special Mention [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Land [Member] | Substandard [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Land [Member] | Doubtful [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Land [Member] | Not rated [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Farm [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 2,062 | 1,735 |
Farm [Member] | Pass [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 1,523 | 1,735 |
Farm [Member] | Special Mention [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Farm [Member] | Substandard [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 539 | |
Farm [Member] | Doubtful [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Farm [Member] | Not rated [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Loans on deposits [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 1,607 | 1,813 |
Loans on deposits [Member] | Pass [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 1,607 | 1,813 |
Loans on deposits [Member] | Special Mention [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Loans on deposits [Member] | Substandard [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Loans on deposits [Member] | Doubtful [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Loans on deposits [Member] | Not rated [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Commercials and Industrial [Member] | Pass [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 2,513 | 1,817 |
Commercials and Industrial [Member] | Special Mention [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 27 | 30 |
Commercials and Industrial [Member] | Substandard [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Commercials and Industrial [Member] | Doubtful [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Commercials and Industrial [Member] | Not rated [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Home equity [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 6,853 | 6,155 |
Home equity [Member] | Pass [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 6,744 | 6,149 |
Home equity [Member] | Special Mention [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 93 | |
Home equity [Member] | Substandard [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 16 | 6 |
Home equity [Member] | Doubtful [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Home equity [Member] | Not rated [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Unsecured [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 400 | 552 |
Unsecured [Member] | Pass [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 396 | 552 |
Unsecured [Member] | Special Mention [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Unsecured [Member] | Substandard [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 4 | |
Unsecured [Member] | Doubtful [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Unsecured [Member] | Not rated [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Automobile [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 42 | 69 |
Automobile [Member] | Pass [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | 42 | 69 |
Automobile [Member] | Special Mention [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Automobile [Member] | Substandard [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Automobile [Member] | Doubtful [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |
Automobile [Member] | Not rated [Member] | | |
Financing Receivable, Recorded Investment [Line Items] | | |
Loans Receivable, Recorded Investment | | |