Cost of Sales (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure of cost of sales [text block] [Abstract]

Schedule of cost of sales

(in thousands)	31-Dec-21		31-Dec-20		31-Dec-19
Inventory expensed	$	4,436	$	2,998	$	5,985
Royalties		364		257		322
Other expenses		877		1,155		816
Total	$	5,677	$	4,410	$	7,123