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STOCK-BASED COMPENSATION AND STOCK REPURCHASE PROGRAM (Narrative) (Details) - USD ($) | 3 Months Ended | 122 Months Ended |
--- | --- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2017 | Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock option expenses | $ 0 |  |  |
Stock award expenses | $ 0 |  |  |
Granted | 0 |  |  |
Vested | 0 |  |  |
Forfeited | 0 |  |  |
Treasury stock, shares | 102,996 |  | 102,996 | 102,996
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 | 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 will make 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 1 st to the then published Prime Rate (4.50% at January 1, 2018) 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 | 4.50% |  | 4.50% |
Shares allocated | 165,771 |  | 165,771 |
Suspense shares | 52,092 |  | 52,092 |
Fair value of unallocated shares | $ 666,778 |  | $ 666,778 |
ESOP compensation expense | $ 39,000 | $ 35,000 |  |
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) |  |  | 81,000 |
Remaining shares available to be repurchased | 48,924 |  | 48,924 |
Common stock average cost (in dollars per share) |  |  | $ 8.33 |
Stock Option [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period | 5 years |  |  |
Expiration period | 10 years |  |  |

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- Definition The amount of plan compensation cost recognized during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65895303&loc=d3e17540-113929 + Details
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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 25 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65888597&loc=d3e16545-113920 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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