Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities (Details) - Schedule of accrued liabilities

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Accrued Liabilities (Details) - Schedule of accrued liabilities - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Schedule of accrued liabilities [Abstract]    
Compensation and related expenses $ 4,303 $ 5,395
Legal settlement 1,250 1,250
Transaction costs and other legal fees 755 1,293
Construction in progress expenditures 551 531
Other 793 751
Total accrued liabilities $ 7,652 $ 9,220