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Income Taxes - Deferred Income tax and Liabilites (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Sep. 30, 2014
Current deferred income taxes:    
Deferred Tax Assets, Gross, Current $ 229 $ 201
DeferredTax Liabilities Gross Current (174) (196)
Deferred Tax Assets (Liabilities), Net, Current 55 5
Noncurrent deferred income taxes:    
Deferred Tax Assets, Gross, Noncurrent 1,999 1,961
Deferred Tax Liabilities Gross Noncurrent (1,852) (1,663)
Deferred Tax Assets, Net, Noncurrent 147 298
Deferred Tax Assets (Liabilities), Net $ 202 $ 303