Inventories (Tables)

9 Months Ended

Sep. 30, 2022

Inventory Disclosure [Abstract]

Schedule of inventory

Inventories are stated at the lower of standard cost (which approximates actual cost determined using the first-in, first-out cost method) or net realizable value, and consist of the following (in thousands):

	September 30, 2022		December 31, 2021
Raw materials	$	3,584	$	3,882
Finished goods	5,231		7,034
Reserves for excess, obsolete, and slow-moving inventories	(2,659)		(3,050)
Inventories, net	$	6,156	$	7,866

The following is a roll-forward of the reserves for excess, obsolete, and slow-moving inventories (in thousands):

	Three months ended September 30,				Nine months ended September 30,
	2022		2021		2022		2021
Beginning balance	$	(2,792)	$	(2,956)	$	(3,050)	$	(2,894)
Accrual	(241)		34		(442)		(64)
Reduction due to sold inventory	21		36		278		72
Write-off for disposed inventory	353		—		555		—
Reserves for excess, obsolete, and slow-moving inventories	$	(2,659)	$	(2,886)	$	(2,659)	$	(2,886)