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Income Taxes - Reconciliation of Income tax expense (benefit) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Income Taxes |  |
Computed "expected" tax expense (benefit) (in Dollars) | $ (88) | $ 994
Computed "expected" tax expense (benefit) | 21.00% | 21.00%
Increases (reductions) in taxes resulting from: |  |
State income taxes, net of federal tax benefit (in Dollars) | $ (87) | $ 106
State income taxes, net of federal tax benefit | 20.80% | 2.20%
Foreign rate differential (in Dollars) | $ 10 | $ 9
Foreign rate differential | (2.40%) | 0.20%
Employee Retention Credit (in Dollars) | $ 0 | $ (134)
Employee Retention Credit | 0.00% | (2.80%)
RSA Windfall (in Dollars) | $ (189) | $ (16)
RSA Windfall | 45.10% | (0.30%)
Permanent differences (in Dollars) | $ 19 | $ 9
Permanent differences | (4.50%) | 0.20%
Change in valuation allowance (in Dollars) | $ 180 | $ (1,746)
Change in valuation allowance | (43.00%) | (36.90%)
Research and development credit (in Dollars) | $ (90) | $ (112)
Research and development credit | 21.50% | (2.40%)
Deferred Tax True Ups (in Dollars) | $ 4 | $ 322
Deferred Tax True Ups | (1.00%) | 6.80%
FIN 48 Reserves (in Dollars) | $ 89 | $ 166
FIN 48 Reserves | (21.20%) | 3.50%
Return to Provision Adjustments (in Dollars) | $ 39 | $ (64)
Return to Provision Adjustments | (9.30%) | (1.40%)
Other items (in Dollars) | $ 20 | $ (3)
Other items | (4.80%) | (0.10%)
Total income tax benefit | $ (93) | $ (469)
Income tax expense | 22.20% | (9.90%)

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 231 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12A Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12 + Details
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