Inventories (Tables)

3 Months Ended

Mar. 31, 2021

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consist of the following:

	March 31, 2021		December 31, 2020
Component parts	$	14,453	$	10,367
Finished goods		12,482		9,506
Total inventories	$	26,935	$	19,873