Note 5 - Inventories (Tables)

3 Months Ended

Mar. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	Mar. 31, 2014		Dec. 31, 2013
Raw materials	$	2,845	$	2,753
Work in process		452		222
Inventory consigned to others		88		94
Finished goods		418		174
	$	3,803	$	3,243