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LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR LOAN LOSSES (Schedule of ALL by Loan Category) (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Sep. 30, 2018
--- | --- | ---
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | $ 4,693 | $ 4,200
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 4,693 | 4,200
Balance - Loans receivable | 530,824 | 512,498
Loan balance individually evaluated for impairment | 9,076 | 5,861
Loan balance collectively evaluated for impairment | 521,748 | 506,637
One-to four-family residential [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 713 | 687
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 713 | 687
Balance - Loans receivable | 191,248 | 185,287
Loan balance individually evaluated for impairment | 1,339 | 1,132
Loan balance collectively evaluated for impairment | 189,909 | 184,155
Commercial real estate [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 1,903 | 1,540
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 1,903 | 1,540
Balance - Loans receivable | 234,437 | 219,347
Loan balance individually evaluated for impairment | 4,355 | 3,961
Loan balance collectively evaluated for impairment | 230,082 | 215,386
Construction [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 764 | 493
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 764 | 493
Balance - Loans receivable | 30,536 | 30,412
Loan balance individually evaluated for impairment | 2,900 |
Loan balance collectively evaluated for impairment | 27,636 | 30,412
Home equity lines of credit [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 139 | 109
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 139 | 109
Balance - Loans receivable | 18,346 | 17,982
Loan balance individually evaluated for impairment |  | 58
Loan balance collectively evaluated for impairment | 18,346 | 17,924
Commercial business [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 1,030 | 1,151
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 1,030 | 1,151
Balance - Loans receivable | 51,628 | 53,320
Loan balance individually evaluated for impairment | 482 | 710
Loan balance collectively evaluated for impairment | 51,146 | 52,610
Other [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 4 | 25
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 4 | 25
Balance - Loans receivable | 4,629 | 6,150
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment | 4,629 | 6,150
Unallocated [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 140 | 195
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 140 | 195
Balance - Loans receivable |  |
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment |  |

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