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Cost of Sales (Tables)
12 Months Ended
Dec. 31, 2020
Cost of Sales [Abstract]  
Schedule of cost of sales
(in thousands)  December 31,
2022
   December 31,
2021
   December 31,
2020
 
             
Inventory expensed  $3,781   $4,436   $2,998 
Royalties   307    364    257 
Other expenses   1,004    877    1,155 
Total  $5,092   $5,677   $4,410