Note 7 - Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Inventory, Current [Table Text Block]

	Mar. 31, 2013		Dec. 31, 2012
Raw materials	$	2,578	$	2,157
Work in process		463		454
Inventory consigned to others		115		105
Finished goods		262		419
	$	3,418	$	3,135