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Accrued Liabilities (Tables)
12 Months Ended
Dec. 31, 2021
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities Accrued liabilities consist of the following:
December 31,
(in thousands)20212020
Accrued compensation$6,798 $8,221 
Contingent consideration225 225 
Accrued professional fees503 825 
Accrued income tax328 281 
Current portion of finance lease liability48 48 
Accrued interest17 42 
Accrued royalties— 456 
Accrued liabilities-other1,339 1,227 
    Total accrued liabilities$9,258 $11,325