Inventories (Tables)

12 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Schedule of inventories

Inventory consisted of the following components at December 31, 2017 and 2016:

	2017		2016
Finished goods	$	74,734	$	72,490
Raw materials	312		279
Total inventories	$	75,046	$	72,769