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Stock Compensation Plans: Schedule of Expenses for Stock Compensation Plans (Details) - Stock Options - USD ($)
$ in Thousands
6 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock options $ 194 $ 84
Less: related tax benefit recognized (115) (9)
Total $ 79 $ 75