Note 15 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

(in thousands)	December 31, 201 6
2017	$	1,945
2018		1,852
2019		1,406
2020		1,126
2021		659
Thereafter		192
Total minimum lease payments	$	7,180

Schedule of Future Minimum Payments for License Agreements [Table Text Block]

(in thousands)	License agreements		Supplier purchase obligations		Total
2017	$	1,518	$	4,189	$	5,707
2018		1,512		447		1,959
2019		1,506		—		1,506
2020		25		—		25
2021		—		—		—
Thereafter		—		—		—
Total minimum payments	$	4,561	$	4,636	$	9,197