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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, 2017 | Sep. 30, 2017
--- | --- | ---
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | $ 3,537 | $ 3,475
Individually evaluated for impairment | 60 |
Collectively evaluated for impairment | 3,477 | 3,475
Balance - Loans receivable | 481,573 | 473,991
Loan balance individually evaluated for impairment | 6,594 | 7,455
Loan balance collectively evaluated for impairment | 474,979 | 466,536
One-to four-family residential [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 563 | 587
Individually evaluated for impairment | 60 |
Collectively evaluated for impairment | 503 | 587
Balance - Loans receivable | 175,461 | 178,336
Loan balance individually evaluated for impairment | 2,558 | 3,124
Loan balance collectively evaluated for impairment | 172,903 | 175,212
Commercial real estate [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 1,299 | 1,277
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 1,299 | 1,277
Balance - Loans receivable | 210,081 | 207,118
Loan balance individually evaluated for impairment | 3,673 | 4,088
Loan balance collectively evaluated for impairment | 206,408 | 203,030
Construction [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 384 | 490
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 384 | 490
Balance - Loans receivable | 22,811 | 22,622
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment | 22,811 | 22,622
Home equity lines of credit [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 131 | 57
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 131 | 57
Balance - Loans receivable | 20,586 | 18,536
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment | 20,586 | 18,536
Commercial business [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 1,052 | 956
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 1,052 | 956
Balance - Loans receivable | 46,595 | 41,113
Loan balance individually evaluated for impairment | 363 | 243
Loan balance collectively evaluated for impairment | 46,232 | 40,870
Other [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 4 | 6
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 4 | 6
Balance - Loans receivable | 6,039 | 6,266
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment | 6,039 | 6,266
Unallocated [Member] |  |
Allowance for Loan Losses: |  |
Balance - Allowance for loans losses | 104 | 102
Individually evaluated for impairment |  |
Collectively evaluated for impairment | 104 | 102
Balance - Loans receivable |  |
Loan balance individually evaluated for impairment |  |
Loan balance collectively evaluated for impairment |  |

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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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