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INCOME TAXES (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Income Taxes [Line Items]    
Computed expected tax expense $ 1,730us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations $ 1,251us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations
State income taxes 74us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations 53us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
Stock option disqualifying dispositions and other permanent differences 42us-gaap_IncomeTaxEffectsAllocatedDirectlyToEquityEmployeeStockOptions 18us-gaap_IncomeTaxEffectsAllocatedDirectlyToEquityEmployeeStockOptions
Total income tax expense $ 1,846us-gaap_IncomeTaxExpenseBenefit $ 1,322us-gaap_IncomeTaxExpenseBenefit