Note 5 - Net Inventories

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Inventory Disclosure [Text Block]

( 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:

	December 31,
	2017		2016
Finished goods	$	41,521	$	29,117
Work in process		47,386		54,463
Raw materials		42,491		33,841
Supplies		7,144		5,763
Total	$	138,542	$	123,184

The components of inventory stated above are net of reserves

of

$14,052

and

$12,423

as of

December 31, 2017

and

2016,

respectively.