Inventories (Tables)

12 Months Ended

Dec. 31, 2020

Inventory Disclosure [Abstract]

Components of inventory

Inventories are as follows (in thousands):

	December 31,
	2020		2019
Raw materials	$	7,190	$	4,339
Finished goods	15,705		24,569
Inventories	22,895		28,908
Less reserve for excess and obsolete inventory	(11,058)		(5,698)
Inventories, net	$	11,837	$	23,210

Schedule of inventory reserve

Changes in the reserve for excess and obsolete inventory are as follows (in thousands):

	2020		2019
Balance, beginning of year	$	5,698	$	2,117
Charged to provisions	12,261		5,659
Deductions for sales and disposals	(6,901)		(2,078)
Balance, end of the year	$	11,058	$	5,698