4. Inventories, net

9 Months Ended

Sep. 30, 2020

Inventory Disclosure [Abstract]

4. Inventories, net

The components of inventories, net of allowances for slow-moving, excess or obsolete inventory, consisted of the following:

	September 30, 2020		December 31, 2019
Finished goods	$	1,817	$	3,864
Work in process		2,994		6,122
Raw materials		3,615		3,527
	$	8,426	$	13,513

Allowances for slow-moving, excess, or obsolete inventory are used to state the Company’s inventories at the lower of cost or net realizable value. The allowances were approximately $511 at September 30, 2020, compared with approximately $823 at December 31, 2019.