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Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Deferred income tax assets |  |
Net operating loss carry forwards | $ 48,317 | $ 47,204
Research and development expenses | 5,100 | 0
Intangibles | 4,907 | 6,259
Credit carry forwards | 3,028 | 3,027
Nondeductible accruals | 453 | 532
163j Limitation | 333 | 0
Fixed assets | 289 | 84
Equity-based compensation | 188 | 208
Deferred rent | 15 | 33
Other | 3 | 7
Total deferred income taxes - net | 62,633 | 57,354
Deferred income tax liabilities |  |
Prepaid expenses | (92) | (80)
Unrealized translation gain/loss | (21) | (45)
Total deferred income liabilities- net | (113) | (125)
Valuation allowance | (62,698) | (57,346)
Net deferred income tax liabilities | $ (178) | $ (117)

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