Note 14 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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

	Minimum rental commitments for leasehold properties		Commitments for other lease obligations		Other purchase obligations		Total
2019		1,431		1,764		584		3,779
2020		1,624		—		—		1,624
2021		234		—		—		234
2022		33		—		—		33
Total	$	3,322	$	1,764	$	584	$	5,670