Note 9 - Inventory (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	December 31,
(in thousands)	2015			2014
Raw materials	$	8,589		$	5,728
Work in process		1,529			653
Total inventory		10,118			6,381
Allowance for obsolescence		(347	)		(187	)
Inventory, net of allowance	$	9,771		$	6,194