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Prepaid Expenses and Other Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
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Prepaid Expense and Other Assets [Abstract] |  |  |
Finance receivables, current | $ 715 | $ 893 |
Prepaid expenses | 2,613 | 3,221 |
Contract assets | 726 | 1,335 |
Other current assets | 1,906 | 1,921 |
Prepaid expenses and other current assets | $ 5,960 | $ 7,370 | [1]
[1] | Derived from audited balance sheet as of December 31, 2019.

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