Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities - Schedule of Accrued Liabilities (Details)

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Accrued Liabilities - Schedule of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Payables and Accruals [Abstract]    
Payroll and related expense $ 690 $ 600
Other 396 309
Total accrued liabilities $ 1,086 $ 909