Note 8 - Inventory (Tables)

6 Months Ended

Jun. 30, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

(in thousands)	June 30, 2014			December 31, 2013
Raw materials	$	5,417		$	4,875
Work in process		530			410
Total inventory		5,947			5,285
Allowance for obsolescence		(192	)		(119	)
Inventory, net of allowance	$	5,755		$	5,166