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Inventories (Tables)
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Summary of inventories Inventories consist of the following:
September 30,
2020
December 31,
2019
Raw materials$1,999 $1,538 
Work-in-progress3,573 4,619 
Finished goods82,130 107,214 
$87,702 $113,371