Annual report pursuant to Section 13 and 15(d)

Income Taxes - Summary of Significant Components of Deferred Tax Assets and Liabilities (Detail)

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Income Taxes - Summary of Significant Components of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Deferred tax assets      
Share-based compensation $ 822 $ 650 $ 679
Depreciation     (24)
Depreciation 127 31  
Net operating loss carryforwards 33,218 30,261 26,195
163(j) interest expense limitation     730
Other 120 41 84
Valuation allowance $ (34,287) $ (30,983) $ (27,664)