Note 7 - Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

(in thousands)	September 30, 2019		December 31, 2018
Employee related expenses	$	4,516	$	5,536
Accrued discount		1,173		-
Royalties		1,122		1,354
Professional services		893		863
Corporate tax		118		1,616
Other accrued liabilities		896		1,522
Total accrued liabilities	$	8,718	$	10,891