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STOCK-BASED COMPENSATION AND STOCK REPURCHASE PROGRAM (Narrative) (Details) - USD ($) | 3 Months Ended | 110 Months Ended |
--- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2016 | Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock option expenses | $ 0 |  |  |
Stock award expenses | $ 0 |  |  |
Stock repurchased during period (in shares) |  |  |  |
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 1st to the then published Prime Rate (3.75% at January 1, 2017) 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 | 3.75% |  | 3.75% |
Shares allocated | 153,326 |  | 153,326 |
Suspense shares | 64,537 |  | 64,537 |
Fair value of unallocated shares | $ 774,444 |  | $ 774,444 |
ESOP compensation expense | $ 35,000 | $ 30,000 |  |
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 |  |  |
Term of treasury security | 7 years |  |  |
Restricted Stock [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period | 5 years |  |  |

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- Definition Fair value of unearned shares held by the employee stock ownership plan (ESOP). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Fair Value -URI http://asc.fasb.org/extlink&oid=51653337 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=65895303&loc=d3e17540-113929 + Details
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