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Inventory
12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Inventory Inventory
Inventory consisted of the following:
December 31,
20192018
Raw materials$1,227  $1,969  
Work-in-process676  2,344  
Finished goods1,581  2,819  
Total inventory$3,484  $7,132