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Inventory
 9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Inventory InventoryInventory consisted of the following as of September 30, 2020 and December 31, 2019 (in thousands):
September 30,
2020		December 31,
2019
Raw materials$4,475 $4,093 
Work in process1,299 — 
Finished goods1,732 1,230 
Total inventories$7,506 $5,323 
Finished goods manufactured by the Company have a 36-month shelf life from date of manufacture.