Note 4 - Inventories (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	December 31,
	2016		2015
Finished goods	$	57,887,000	$	48,206,000
Work in process		853,000		860,000
Raw materials		10,500,000		14,507,000
	$	69,240,000	$	63,573,000