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Income Taxes (Detail) - Reconciliation of “expected” income tax expense (benefit) to “actual” income tax expense (benefit) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2018 | Sep. 30, 2017
Income Tax Disclosure [Abstract] |  |
Computed “expected” tax expense (in Dollars) | $ (269) | $ 1,158
Computed “expected” tax expense (benefit) | 24.30% | 34.00%
Increases (reductions) in taxes resulting from: |  |
State income taxes, net of federal tax benefit (in Dollars) | $ (107) | $ 80
State income taxes, net of federal tax benefit | 9.70% | 2.40%
Foreign operations (in Dollars) | $ (70) | $ 18
Foreign operations | 6.30% | 0.50%
Permanent differences (in Dollars) | $ (14) | $ (4)
Permanent differences | 1.30% | (0.10%)
Change in valuation allowance (in Dollars) | $ 118 | $ (37)
Change in valuation allowance | (10.70%) | (1.10%)
Deemed repatriation tax | $ 771 | $ 0
Impace of 965 one-time transition tax (as a percent) | (69.70%) | 0.00%
Federal tax rate change | $ 588 | $ 0
Federal tax rate change (as a percent) | (53.20%) | 0.00%
Uncertain tax liability adjustment (in Dollars) | $ 11 | $ 8
Uncertain tax liability adjustment | (1.00%) | 0.20%
Research & Development Credit (in Dollars) | $ (125) | $ (53)
Research & Development Credit | 11.30% | (1.60%)
Other items (in Dollars) | $ (21) | $ (8)
Other items | 2.00% | (0.20%)
Income tax expense (benefit) | $ 882 | $ 1,162
Income tax expense | (79.70%) | 34.10%

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- Definition Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to increase (decrease) from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017. + References No definition available. + Details
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