Inventories (Tables)

3 Months Ended

Mar. 31, 2019

Inventory Disclosure [Abstract]

Schedule of components of inventory

Inventories are as follows (in thousands):

	March 31, 2019			December 31, 2018
Raw materials	$	19,636		$	10,608
Work-in-process	—			—
Finished goods	16,138			18,798
Inventories	35,774			29,406
Less reserve for excess and obsolete inventory	(1,416		)	(2,117		)
Inventories, net	$	34,358		$	27,289