Inventories

3 Months Ended

Mar. 31, 2021

Inventory Disclosure [Abstract]

Inventories

F.Inventories

Inventories are valued at the lower of cost or net realizable value using the FIFO (first-in, first-out) method. The Company reduces the value of its inventories to net realizable value when the net realizable value is believed to be less than the cost of the item. The reserve for excess and obsolete inventory as of March 31, 2021 and December 31, 2020 was $1,298,000 and $1,219,000, respectively.

Inventories are comprised of the following (in thousands):

	March 31, 2021		December 31, 2020
Raw materials	$	2,116	$	2,080
Work in process		2,489		2,467
Finished goods		734		733
Total Inventories, net	$	5,339	$	5,280