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v3.21.1

Accrued liabilities (Tables) | 3 Months Ended
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Mar. 31, 2021
Payables and Accruals [Abstract] |
Schedule of accrued liabilities | As of March 31, 2021 and December 31, 2020, accrued liabilities consisted of the following (in thousands):
| As of March 31, |  | As of December 31,
| 2021 |  | 2020
| (unaudited) |  |
Accrued compensation and benefit expenses | $ | 7,024 |  |  | $ | 9,838 |
Other accrued liabilities | 5,922 |  |  | 6,672 |
Total accrued liabilities | $ | 12,946 |  |  | $ | 16,510 |

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