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Debt (Tables)
3 Months Ended
Mar. 31, 2022
Debt Disclosure [Abstract]  
Schedule of Net Debt Obligation
The debt obligation for borrowings made under the Loan and Security Agreement was as follows (in thousands of dollars):
 
 March 31, 2022December 31, 2021
Debt principal$— $— 
End-of-term debt obligation1,079 1,026 
Total debt obligation$1,079 $1,026