Note 4 - Inventories (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	Inventory as of
(in thousands)	March 31, 2020		December 31, 2019
Unprocessed	$	217,547	$	220,787
Processed and finished		50,007		52,744
Totals	$	267,554	$	273,531