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Accrued Liabilities (Tables) | 6 Months Ended
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Jun. 30, 2021
Payables and Accruals [Abstract] |
Schedule of Current Accrued Liabilities | Current accrued liabilities are as follows (in thousands):
| June 30, 2021 |  | December 31, 2020
Loss on purchase commitments (Note 13) | $ | 9,383 |  |  | $ | 9,402 |
Severance costs | 3,419 |  |  | 3,558 |
Payroll and benefits | 994 |  |  | 1,789 |
Contingent liability for earn-out provision | 1,115 |  |  | 1,416 |
Taxes other than income taxes | 633 |  |  | 544 |
Due to third parties | 504 |  |  | 434 |
Legal costs | 721 |  |  | 333 |
Deferred revenue, current | 152 |  |  | 146 |
Other | 300 |  |  | 653 |
Total current accrued liabilities | $ | 17,221 |  |  | $ | 18,275 |

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