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Income Taxes - Components of Deferred Tax Asset (Detail) - USD ($) $ in Thousands | Sep. 30, 2021 | Sep. 30, 2020
--- | --- | ---
Deferred tax assets: |  |
Inventories | $ 771 | $ 808
Operating lease liabilities | 25,924 | 9,926
Accrued expenses | 1,225 | 640
Stock-based compensation | 2,810 | 2,170
Tax loss carryforwards | 667 | 810
Other | 852 | 268
Total long-term deferred tax assets | 32,249 | 14,622
Deferred tax liabilities: |  |
Depreciation and amortization | (16,226) | (9,095)
Operating lease right-of-use assets | (25,291) | (10,036)
Total long-term deferred tax liabilities | (41,517) | (19,131)
Net deferred tax liabilities | $ (9,268) | $ (4,509)

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