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Other Current Liabilities (Tables)
 12 Months Ended
Dec. 31, 2021
Other Liabilities Disclosure [Abstract]  
Other Current Liabilities
The components of other current liabilities were as follows:
December 31,December 31,
20212020
(in thousands)
Warrant liability$— $558 
Other current liabilities324 28 
Current portion of capital lease49 48 
Contingent liability761 — 
Working capital liability1,685 6,805 
Total other current liabilities$2,819 $7,439