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INVESTMENT SECURITIES (Schedule of the Unamortized Cost, Gross Unrealized Gains or Losses and Fair Value of Investment Securities Available-For-Sale and Held-To-Maturity) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021
Securities available-for-sale:
Amortized Cost	$ 12,408	$ 13,101
Gross Unrealized Gains	28	34
Gross Unrealized Losses	(255)	(208)
Fair Value	12,181	12,927
Securities held-to-maturity:
Amortized Cost	66,467	57,660
Gross Unrealized Gains	315	422
Gross Unrealized Losses	(1,111)	(800)
Fair Value	65,671	57,282
Investment Securities [Member]
Securities held-to-maturity:
Amortized Cost	78,875	70,761
Gross Unrealized Gains	343	456
Gross Unrealized Losses	(1,366)	(1,008)
Fair Value	77,852	70,209
Obligations of U.S. government agencies Mortgage backed securities - residential [Member]
Securities available-for-sale:
Amortized Cost	153	179
Gross Unrealized Gains	5	7
Gross Unrealized Losses
Fair Value	158	186
Securities held-to-maturity:
Amortized Cost	3,447	574
Gross Unrealized Gains	1
Gross Unrealized Losses	(25)	(25)
Fair Value	3,423	549
Obligations of U.S. government agencies Mortgage backed securities -commercial [Member]
Securities held-to-maturity:
Amortized Cost	684	703
Gross Unrealized Gains
Gross Unrealized Losses
Fair Value	684	703
Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member]
Securities available-for-sale:
Amortized Cost	12,255	12,922
Gross Unrealized Gains	23	27
Gross Unrealized Losses	(255)	(208)
Fair Value	12,023	12,741
Securities held-to-maturity:
Amortized Cost	41,939	38,596
Gross Unrealized Gains	308	416
Gross Unrealized Losses	(560)	(389)
Fair Value	41,687	38,623
Obligations of U.S. government-sponsored enterprises Debt securities [Member]
Securities held-to-maturity:
Amortized Cost	14,498	12,498
Gross Unrealized Gains
Gross Unrealized Losses	(307)	(156)
Fair Value	14,191	12,342
Private label mortgage-backed securities-residential [Member]
Securities held-to-maturity:
Amortized Cost	238	242
Gross Unrealized Gains	5	6
Gross Unrealized Losses
Fair Value	243	248
Obligations of state and political subdivisions [Member]
Securities held-to-maturity:
Amortized Cost	2,661
Gross Unrealized Gains	1
Gross Unrealized Losses	(22)
Fair Value	2,640
Corporate securities [Member]
Securities held-to-maturity:
Amortized Cost	3,000	3,000
Gross Unrealized Gains
Gross Unrealized Losses	(197)	(196)
Fair Value	$ 2,803	$ 2,804

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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