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v3.20.4

Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deferred tax assets: |  |
Net operating loss | $ 54,382 | $ 2,223
Accrued bonus | 1,201 | 370
Tax credits | 13,000 | 7,319
Stock-based compensation | 6,493 | 2,015
Deferred revenue | 32,129 | 37,621
Lease liability | 12,457 | 11,781
Others | 463 | 209
Gross deferred tax assets | 120,125 | 61,538
Less valuation allowance | (105,226) | (47,053)
Total deferred tax assets | 14,899 | 14,485
Deferred tax liabilities: |  |
Depreciation and amortization | (6,815) | (7,495)
Right-of-use assets | (7,934) | (6,990)
Others | (150) |
Gross deferred tax liabilities | $ (14,899) | $ (14,485)

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