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Income Taxes - Components of Net Deferred Tax Liability (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Inventories | $ 531 | $ 356
Property and equipment | (2,951) | (2,887)
Accrued liabilities and other deductible differences | 39 | 18
Accrued employee benefits | 1,182 | 982
Goodwill | (1,693) | (1,693)
Other taxable differences | (26) | (15)
Total deferred tax liability | $ (2,918) | $ (3,239)

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