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Stock Plans And Stock Based Compensation: Schedule of Expenses for Stock Compensation Plans (Details) - Stock Options - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Compensation expense $ 37 $ 28
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense $ 4 $ 2