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Commitments and Contingencies (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Accrued Liabilities, Current [Abstract] |  |
Vendor payments | $ 3,639 | $ 3,896
Employee commissions and bonuses | 13,324 | 11,344
Payroll and other employee related expense | 18,879 | 6,957
401k and pension expense | 1,775 | 1,358
Other taxes | 1,026 | 1,864
Other costs (a) | 2,813 |
Total accrued expense | $ 41,456 | $ 25,419

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