Note 4 - Inventory (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Inventory, Current [Table Text Block]

(in thousands)	March 31, 2016		December 31, 2015
Raw materials and supplies	$	824	$	660
Goods in process		114		248
Finished goods		263		482
Less Reserve for obsolete inventory		-		(45	)
Total inventory	$	1,201	$	1,345