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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Other Items Allocated to Comprehensive Income/Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2016 | Sep. 30, 2015
Unrealized holding gains (losses) arising during period on: |  |
Available-for-sale investments before tax | $ 49 | $ 229
Tax benefit (expense) | (21) | (85)
Available-for-sale investments after tax | 28 | 144
Reclassification adjustment for net gains realized on available-for-sale investments before tax | (72) | (42)
Tax benefit (expense) | 29 | 17
Reclassification adjustment for net gains realized on available-for-sale investments after tax | (43) | (25)
Defined benefit pension plan before tax | (242) | (670)
Tax benefit (expense) | 97 | 268
Defined benefit pension plan after tax | (145) | (402)
Other comprehensive loss, net before tax | (265) | (483)
Tax benefit (expense), Total | 105 | 200
Other comprehensive gain (loss), net | $ (160) | $ (283)

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