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Income Taxes - Income Tax Benefit from Continuing Operations (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2019 | Sep. 30, 2018
Income Tax Provision Accompanying Consolidated Statements of Operation |  |
Loss before income tax benefit | $ (8,207) | $ (7,531)
Income tax benefit at U.S. federal statutory rates | (1,723) | (1,582)
Tax effect of: |  |
Foreign rate differential | 1,698 | 694
State and local income taxes | 14 | (25)
Impact of tax law changes | 0 | 820
Federal tax credits | (144) | (1,573)
Valuation allowance | (556) | 1,243
Prior year tax adjustments | 0 | (211)
Other | 10 | 273
Income tax benefit | $ (701) | $ (361)

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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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