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Inventories (Tables)
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventories consist of the following: 
As of September 30, 2020As of December 31, 2019
Raw materials$32,044 $36,956 
Finished goods17,960 21,598 
Inventories, net$50,004 $58,554 
Service and sales demonstration inventory, net$33,181 $33,349