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Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Payables and Accruals [Abstract]    
Compensation costs $ 551 $ 411
Taxes and regulatory fees 92 137
Customer deposits 145 127
Professional fees 69 236
Accrued dividends on Series A-2 Preferred Stock 0 4
Other accrued expenses and liabilities 102 286
Total $ 959 $ 1,201