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Accrued Liabilities (Tables)
 12 Months Ended
Dec. 31, 2021
Other Liabilities Disclosure [Abstract]  
Summary of Accrued Liabilities Accrued liabilities consist of the following:
December 31,
(in thousands)20212020
Compensation and related costs$3,260 $2,638 
Chemistry, manufacturing and controls costs    2,232 — 
Professional and legal fees644 307 
License fees— 375 
Other203 305 
Total$6,339 $3,625