Note 8 - Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

(in thousands)	March 31, 2020		December 31, 2019
Employee related expenses	$	3,126	$	4,827
Accrued discount		1,173		1,173
Corporate tax		1,042		105
Professional services		965		959
Royalties		83		1,291
Other accrued liabilities		2,101		2,041
Total accrued liabilities	$	8,490	$	10,396