Note 6 - Accounts Receivable - Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Balance	$ 11,997	$ 18,490
Write-offs	(5,715)	(6,230)
(Recovery) provision	7,337	(263)
Balance	$ 13,619	$ 11,997