Note 8 - Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

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

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

	As of December 31, 2018
	Amortization period (years)	Gross carrying amount		Accumulated Amortization		Net carrying amount
Licenses	5-10	$	652	$	591	$	61
Total		$	652	$	591	$	61