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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Sep. 30, 2020
--- | --- | ---
Deferred income tax assets: |  |
Net operating loss carry forwards, net | $ 29 | $ 1,554
Stock based compensation | 508 | 140
Accrued expenses | 1,944 | 1,698
Other items, net | 0 | 258
Total deferred tax asset | 2,481 | 3,650
Deferred tax liability: |  |
Equipment and intangible assets | (3,507) | (3,613)
Right of use liability | (150) | 0
Total deferred tax liability | (3,657) | (3,613)
Net deferred tax (liability) | $ (1,176) |
Net deferred tax asset |  | $ 37

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