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Stockholder's Equity (Deficit) - Schedule of Stock Compensation Expense (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Total stock compensation expense | $ 1,805 | $ 1,150
2017 Plan | Stock Options |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Total stock compensation expense | 1,610 | 642
2017 Plan | Restricted Stock |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Total stock compensation expense | 182 | 370
2013 Plan | Stock Options |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Total stock compensation expense | 13 | 138
Cost of Revenue |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Total stock compensation expense | 616 | 425
Cost of Revenue | 2017 Plan | Stock Options |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Total stock compensation expense | 606 | 355
Cost of Revenue | 2013 Plan | Stock Options |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Total stock compensation expense | 10 | 70
Selling, General and Administrative Expense |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Total stock compensation expense | 1,189 | 725
Selling, General and Administrative Expense | 2017 Plan | Stock Options |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Total stock compensation expense | 1,004 | 287
Selling, General and Administrative Expense | 2017 Plan | Restricted Stock |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Total stock compensation expense | 182 | 370
Selling, General and Administrative Expense | 2013 Plan | Stock Options |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Total stock compensation expense | $ 3 | $ 68

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