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STOCK-BASED COMPENSATION AND STOCK REPURCHASE PROGRAM (Narrative) (Details) - USD ($) | 6 Months Ended | 161 Months Ended |
--- | --- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Mar. 31, 2021 | Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period | 5 years |  |  |
Expiration period | 10 years |  |  |
Treasury stock, shares | 112,996 |  | 112,996 | 112,996
Cost of shares repurchased by ESOP trust | $ 2,300,000 |  |  |
Average cost of shares repurchased (per share) | $ 10.58 |  |  |
Description of loan with respect to employee stock ownership plan | In 2006 the ESOP trust purchased 217,863 shares of common stock in the open market using proceeds of a loan from the Company. The total cost of shares purchased by the ESOP trust was $2.3 million, reflecting an average cost per share of $10.58. The Bank makes cash contributions to the ESOP on an annual basis sufficient to enable the ESOP to make the required loan payments to the Company. The loan bears a variable interest rate that adjusts annually every January 1st to the then published Prime Rate (3.25% at January 1, 2021) with principal and interest payable annually in equal installments over thirty years. The loan is secured by shares of the Company’s stock. |  |  |
Interest rate of loan with respect to employee stock ownership plan | 3.25% |  | 3.25% |
Shares allocated | 217,863 |  | 217,863 |
ESOP compensation expense | $ 50,000 | $ 73,000 |  |
Total ESOP shares | 217,863 |  | 217,863 |
Second Repurchase Program [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Maximum stock repurchase authorization (as a percent) |  |  | 5.00% |
Stock authorized to be repurchased (in shares) | 129,924 |  | 129,924 |
Stock repurchased during period (in shares) |  |  | 91,000 |
Remaining shares available to be repurchased | 38,924 |  | 38,924 |
Common stock average cost (in dollars per share) |  |  | $ 8.41 |

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- Definition Description of the terms of a loan made to the ESOP by a lender other than the employer, including interest rate and repayment requirements, and description of any guarantee of debt repayment made by the employer to the lender. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 25 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109244457&loc=d3e16545-113920 + Details
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- Definition The shares or units in an ESOP trust that have been assigned to individual participant accounts based on a known formula. IRS rules require allocations to be nondiscriminatory generally based on compensation, length of service, or a combination of both. For any particular participant such shares or units may be vested, unvested, or partially vested. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109244661&loc=d3e17540-113929 + Details
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