Inventories (Tables)

3 Months Ended

Mar. 31, 2021

Inventories

Schedule of inventories

	March 31,		December 31,
	2021		2020
Raw materials	$	20,187	$	20,308
Work in process		12,122		11,339
Finished goods		17,210		18,651
Total inventories	$	49,519	$	50,298