Note 4 - Inventories (Tables)

12 Months Ended

Dec. 31, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	December 31,
	2013		2012
Finished goods	$	37,259,000	$	27,382,000
Work in process		111,000		71,000
Raw materials		12,116,000		11,793,000
	$	49,486,000	$	39,246,000