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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Deferred tax assets: |  |
Net operating loss and credit carryforward | $ 4,935 | $ 9,175
Operating lease liabilities | 2,417 | 2,797
State income taxes | 74 | 0
Accruals and allowances | 627 | 1,461
Stock-based compensation | 256 | 545
Unrealized foreign exchange losses | 329 | 273
Deferred revenue | 191 | 70
Capital loss carryforward | 410 | 410
Total deferred tax assets | 9,239 | 14,731
Valuation allowance | (4,455) | (8,717)
Total deferred tax assets net of valuation allowance | 4,784 | 6,014
Deferred tax liabilities: |  |
Operating lease right-of-use assets | (1,416) | (1,600)
Property, equipment and intangible assets | (146) | (465)
Total deferred tax liabilities | (1,562) | (2,065)
Net deferred tax assets | $ 3,222 | $ 3,949

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