Note 7 - Goodwill and Acquired Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

	As of September 30, 2020
(in thousands)	Amortization period (years)	Gross carrying amount		Accumulated Amortization		Net carrying amount
Licenses	5-10	$	664	$	594	$	70
Total		$	664	$	594	$	70

	As of December 31, 2019
(in thousands)	Amortization period (years)	Gross carrying amount		Accumulated Amortization		Net carrying amount
Licenses	5-10	$	680	$	593	$	87
Total		$	680	$	593	$	87