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Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Other Liabilities Disclosure [Abstract] |  |
Accrued compensation costs | $ 569 | $ 411
Accrued professional fees | 255 | 236
Accrued taxes and regulatory fees | 156 | 137
Customer deposits | 136 | 127
Other accrued expenses and liabilities | 417 | 286
Accrued dividends on Series A-2 Preferred Stock | 0 | 4
Accrued expenses and other liabilities | $ 1,533 | $ 1,201

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