Note 4 - Inventories (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Inventory, Current [Table Text Block]

	December 31,
	2012		2011
Finished goods	$	27,382,000	$	29,030,000
Work in process		71,000		49,000
Raw materials		11,793,000		12,129,000
	$	39,246,000	$	41,208,000