Note 5 - Inventories

3 Months Ended

Mar. 31, 2012

Inventory Disclosure [Text Block]

5.Inventories

As of March 31, 2012 and December 31, 2011, inventories consisted of the following:

	March 31, 2012		December 31, 2011
Raw materials	$	7,818,000	$	8,007,000
Work in process		2,494,000		3,048,000
Finished goods		4,546,000		4,511,000
	$	14,858,000	$	15,566,000