Note 14 - Revenue From Contracts With Customers - Changes in Deferred Service Fees (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Balance	$ 89,217
Balance	82,713	$ 89,217
Service Fees [Member]
Balance	89,217	87,945
Deferral of revenue	61,058	60,415
Recognition of deferred service fees	(59,966)	(59,143)
Deferred service fees disposed of related to PWSC	(7,596)
Balance	$ 82,713	$ 89,217