Note 5 - Net Inventories

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Net Inventories

(5) Net Inventories

Inventories are stated at the lower of cost and net realizable value.  Cost is determined on a first-in, first-out basis.

Net inventories consist of the following:

	September 30, 2018		December 31, 2017
Finished goods	$	26,016	$	41,521
Work in process		23,076		47,386
Raw materials		46,666		42,491
Supplies		7,890		7,144
Total	$	103,648	$	138,542