Note 4 - Inventories (Tables)

9 Months Ended

Sep. 30, 2018

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	September 30,			December 31,
(in thousands)	2018			2017
Finished goods	$	9,872		$	10,792
Raw materials		3,830			3,287
Work-in-process		3,554			759
Inventory reserves		(1,204	)		(946	)
Total inventories	$	16,052		$	13,892