Inventories (Tables)

6 Months Ended

Jun. 30, 2018

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following:

	June 30, 2018		December 31, 2017
Finished goods	$	628,823	$	562,809
Raw materials		32,315		30,346
Work in process		12,538		10,911
	$	673,676	$	604,066