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Income Taxes (Components of income before income tax) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2016
Results of Operations by Geographical Areas [Line Items] |  |  |
Income (loss) before provision for income taxes | $ 5,525 | $ 9,830 | $ (5,450)
Domestic |  |  |
Results of Operations by Geographical Areas [Line Items] |  |  |
Income (loss) before provision for income taxes | 7,845 | 1,900 | 2,100
Foreign |  |  |
Results of Operations by Geographical Areas [Line Items] |  |  |
Income (loss) before provision for income taxes | $ (2,320) | $ 7,930 | $ (7,550)

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- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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