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v3.22.1

Income Taxes - Schedule of Tax Effects of Temporary Differences and Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred tax assets: |  |
Net operating loss carryforwards | $ 35,186 | $ 22,208
Deferred compensation | 1,812 | 899
Research and development credits | 1,497 | 1,071
Operating lease liability | 405 | 138
Provision for bad debt | 163 | 75
Provision for excess and obsolete inventories | 28 | 282
Other | 104 | 19
Gross deferred tax assets | 39,195 | 24,692
Less: Valuation allowance | (38,804) | (24,543)
Deferred tax assets, net of valuation allowance | 391 | 149
Operating lease right-of-use assets | (391) | (135)
Fixed assets |  | (14)
Deferred tax liabilities: | (391) | (149)
Net deferred tax assets | $ 0 | $ 0

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