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Prepaid Expenses and Other Current Assets (Tables) | 12 Months Ended
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Dec. 31, 2020
Prepaid Expenses And Other Current Assets |
Schedule of Prepaid Expenses and Other Current Assets | Prepaid expenses and other current assets consisted of the following at December 31, 2020 and 2019 (in thousands):
|  | 2020 |  |  | 2019 |
Prepayments to vendors |  | $ | 5,727 |  |  | $ | 1,389 |
Prepaid licenses and other |  |  | 339 |  |  |  | 367 |
Unbilled revenue |  |  | 95 |  |  |  | 9 |
Prepaid expenses and other current assets |  | $ | 6,161 |  |  | $ | 1,766 |

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