Note 5 - Net Inventories (Tables)

9 Months Ended

Sep. 30, 2019

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Net inventories consist of the following:

	September 30, 2019		December 31, 2018
Finished goods	$	29,973	$	30,904
Work in process		36,956		27,513
Raw materials		37,666		44,705
Supplies		10,122		7,940
Total	$	114,717	$	111,062