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LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR LOAN LOSSES (Schedule of ALL by Loan Category) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Sep. 30, 2018
--- | --- | ---
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | $ 4,402 | $ 4,200
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 4,402 | 4,200
Balance - Loans receivable | 514,438 | 512,498
Loan balance individually evaluated for impairment | 8,731 | 5,861
Loan balance collectively evaluated for impairment | 505,707 | 506,637
One-to four-family residential [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 698 | 687
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 698 | 687
Balance - Loans receivable | 186,328 | 185,287
Loan balance individually evaluated for impairment | 1,130 | 1,132
Loan balance collectively evaluated for impairment | 185,198 | 184,155
Commercial real estate [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 1,590 | 1,540
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 1,590 | 1,540
Balance - Loans receivable | 223,146 | 219,347
Loan balance individually evaluated for impairment | 3,935 | 3,961
Loan balance collectively evaluated for impairment | 219,211 | 215,386
Construction [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 674 | 493
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 674 | 493
Balance - Loans receivable | 31,287 | 30,412
Loan balance individually evaluated for impairment | 2,900 |
Loan balance collectively evaluated for impairment | 28,387 | 30,412
Home equity lines of credit [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 121 | 109
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 121 | 109
Balance - Loans receivable | 18,518 | 17,982
Loan balance individually evaluated for impairment | 58 | 58
Loan balance collectively evaluated for impairment | 18,460 | 17,924
Commercial business [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 1,182 | 1,151
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 1,182 | 1,151
Balance - Loans receivable | 49,842 | 53,320
Loan balance individually evaluated for impairment | 708 | 710
Loan balance collectively evaluated for impairment | 49,134 | 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 | 5,317 | 6,150
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment | 5,317 | 6,150
Unallocated [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 133 | 195
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 133 | 195
Balance - Loans receivable |  |
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment |  |

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