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Income Taxes - Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Deferred tax assets: |  |
Net operating losses | $ 44,053 | $ 43,296
Intangible assets | 4,314 | 4,417
Research and development credits | 7,127 | 7,835
Property and equipment | 4,800 | 6,983
Valuation reserves and accrued liabilities | 11,221 | 8,388
Capitalized Research and Development Costs | 23,658 | 19,087
Stock compensation | 3,227 | 3,051
Defined benefit obligation | 1,691 | 1,265
Inventory | 181 | 6,762
Other credits | 8,946 | 10,296
Other | 9,154 | 790
Total deferred tax asset | 118,372 | 112,170
Valuation allowance | (35,888) | (36,671)
Deferred tax liabilities: |  |
Unrealized foreign currency exchange gains |  | (2,413)
Undistributed profits of subsidiary | (4,609) | (5,981)
Property and equipment | (12,627) | (15,423)
Other | (1,550) | (3,056)
Total deferred tax liability | (18,786) | (26,873)
Net deferred tax asset | $ 63,698 | $ 48,626

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