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Inventories (Tables)
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of inventory The Company's major classes of inventory and corresponding balances for the periods indicated are as follows:
December 31,
(In thousands)20212020
Consumer Products - Finished Goods$6,823 $2,358 
Consumer Products - Work in Process4,131 5,718 
Bulk ingredients2,131 3,065 
Reference standards516 542 
Inventories$13,601 $11,683