Inventories (Tables)

12 Months Ended

Dec. 31, 2018

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories consisted of the following:

	Years Ended December 31,
	2018		2017
Raw materials	$	102,996	$	49,351
Work in process		23,449		22,914
Finished goods		104,727		73,346
	$	231,172	$	145,611