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Unaudited Consolidated Statements of Comprehensive Income - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Statement of Comprehensive Income [Abstract]        
Net income (loss) $ 3 $ 695 $ (1,791) $ 1,081
Other comprehensive income (loss):        
Foreign currency translation loss adjustments (325) (79) (415) (17)
Other comprehensive loss (325) (79) (415) (17)
Total comprehensive income (loss) $ (322) $ 616 $ (2,206) $ 1,064