Note 11 - Taxes - Tax Examinations (Details)	12 Months Ended
	Dec. 31, 2021
Domestic Tax Authority [Member]
Open tax year	2018
State and Local Jurisdiction [Member]
Open tax year	2017
Foreign Tax Authority [Member] | Departamento de Hacienda de Puerto Rico [Member]
Open tax year	2016
Foreign Tax Authority [Member] | Canada Revenue Agency [Member]
Open tax year	2016
Foreign Tax Authority [Member] | State Administration of Taxation, China [Member]
Open tax year	2018
Foreign Tax Authority [Member] | Mexican Tax Authority [Member]
Open tax year	2021
Foreign Tax Authority [Member] | United Kingdom Tax Authority [Member]
Open tax year	2021
Foreign Tax Authority [Member] | Australian Taxation Office [Member]
Open tax year	2021