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INCOME TAXES (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 1987
Federal [Abstract] |  |  |  |
Current | $ 3,787,000 | $ 2,847,000 | $ 7,734,000 |
Deferred | (1,765,000) | (536,000) | 858,000 |
Federal income tax expense | 2,022,000 | 2,311,000 | 8,592,000 |
State [Abstract] |  |  |  |
Current | 874,000 | 1,252,000 | 960,000 |
Deferred | 10,000 | 141,000 | 130,000 |
State tax expense | 884,000 | 1,393,000 | 1,090,000 |
Income tax expense | 2,906,000 | 3,704,000 | 9,682,000 |
Income tax expense (benefit) to statutory federal income tax rate reconciliation [Abstract] |  |  |  |
Income tax expense at federal tax rate | 6,517,000 | 5,993,000 | 9,378,000 |
Increase (decrease) resulting from [Abstract] |  |  |  |
State income taxes net of federal benefit | 575,000 | 1,092,000 | 708,000 |
Nontaxable buildup in cash surrender value | (399,000) | (349,000) | (179,000) |
Incentive stock option expense | (187,000) | (97,000) | 10,000 |
Tax exempt income | (3,594,000) | (2,815,000) | (244,000) |
Nondeductible expenses | 120,000 | 41,000 | 37,000 |
Other, net | (126,000) | (161,000) | (28,000) |
Income tax expense | 2,906,000 | 3,704,000 | 9,682,000 |
Deferred tax assets [Abstract] |  |  |  |
Bad debts | 1,955,000 | 1,426,000 |  | 6,700,000
Deferred compensation | 708,000 | 446,000 |  |
Stock based compensation | 271,000 | 293,000 |  |
Operational reserve | 464,000 | 494,000 |  |
AMT Credit | 2,239,000 | 1,113,000 |  |
Net unrealized losses on securities available for sale | 2,969,000 | 12,776,000 |  |
Indirect tax benefits of unrecognized tax positions | 376,000 | 0 |  |
Other assets | 759,000 | 1,157,000 |  |
Gross deferred tax assets | 9,741,000 | 17,705,000 |  |
Deferred tax liabilities [Abstract] |  |  |  |
FHLB stock dividend | (410,000) | (411,000) |  |
Premises and equipment | (1,060,000) | (1,366,000) |  |
Patents | (937,000) | (849,000) |  |
Prepaid expenses | (743,000) | (782,000) |  |
Gross deferred tax liabilities | (3,150,000) | (3,408,000) |  |
Net deferred tax assets (liabilities) | 6,591,000 | 14,297,000 |  |
Gross deferred tax on state net operating loss carryforwards | 780,000 | 704,000 |  |
Additional bad debt deductions provided by federal income tax laws | 1,955,000 | 1,426,000 |  | 6,700,000
Deferred tax liability, bad debt deductions | 2,300,000 | 2,300,000 |  |
Reconciliation for liabilities [Abstract] |  |  |  |
Balance at beginning of year | 931,000 | 164,000 |  |
Additions for tax positions related to the current year | 118,000 | 114,000 |  |
Additions for tax positions related to the prior years | 0 | 653,000 |  |
Reductions for tax positions due to settlement with taxing authorities | (16,000) | 0 |  |
Reductions for tax positions related to prior years | (50,000) | 0 |  |
Balance at end of year | 983,000 | 931,000 | 164,000 |
Unrecognized tax benefits that, if recognized, would impact the effective rate | 649,000 |  |  |
Accrued interest related to unrecognized tax benefits | $ 124,000 |  |  |

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