Inventories (Tables)

3 Months Ended

Mar. 31, 2019

Inventories

Summary of inventories

	March 31,		December 31,
	2019		2018
Raw materials	$	1,890	$	1,925
Work-in-progress		4,254		3,582
Finished goods		102,038		94,330
	$	108,182	$	99,837