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v3.20.4

Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deferred Tax Assets: |  |
Net operating loss carryforwards | $ 53,128 | $ 50,360
Research and development tax credits | 2,860 | 3,040
Property and equipment | 279 | 370
Stock-based compensation | 865 |
Accruals and reserves | 1,406 | 286
Total | 58,538 | 54,056
Valuation allowance | (56,083) | (51,135)
Total deferred tax assets after valuation allowance | 2,455 | 2,921
Deferred Tax Liabilities: |  |
Intangible assets | (2,455) | (2,921)
Total deferred tax liabilities | $ (2,455) | $ (2,921)

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