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LOANS RECEIVABLE, NET (Schedule of Classes of the Loan Portfolio Summarized by Aging Categories) (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 30, 2017
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	$ 511,323	$ 470,416
Total Past Due	1,175	3,575
Non - Accrual	906	2,358
Total loans receivable	512,498	473,991
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	269	818
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due		399
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	906	2,358
One-to four-family residential [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	185,132	176,546
Total Past Due	155	1,790
Non - Accrual	138	1,663
Total loans receivable	185,287	178,336
One-to four-family residential [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	17
One-to four-family residential [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due		127
One-to four-family residential [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	138	1,663
Commercial real estate [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	218,892	206,218
Total Past Due	455	900
Non - Accrual	455	482
Total loans receivable	219,347	207,118
Commercial real estate [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due		418
Commercial real estate [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
Commercial real estate [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	455	482
Construction [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	30,412	22,622
Total Past Due
Non - Accrual
Total loans receivable	30,412	22,622
Construction [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
Construction [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
Construction [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
Home equity lines of credit [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	17,892	18,344
Total Past Due	90	192
Non - Accrual	90
Total loans receivable	17,982	18,536
Home equity lines of credit [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
Home equity lines of credit [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due		192
Home equity lines of credit [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	90
Commercial business [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	52,845	40,420
Total Past Due	475	693
Non - Accrual	223	213
Total loans receivable	53,320	41,113
Commercial business [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	252	400
Commercial business [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due		80
Commercial business [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	223	213
Other [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Current	6,150	6,266
Total Past Due
Non - Accrual
Total loans receivable	6,150	6,266
Other [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
Other [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due
Other [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due

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