Note 18 - Investment in Equity-accounted Investees - Equity-accounted Investees (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Gain on disposal	$ 8,499
Income (Loss) from Equity Method Investments	13,995	$ 6,681
Proceeds from redemption of investment	(6,085)	(4,217)
CSS Corp LP [Member]
Aggregate amounts of the Company’s share of income of equity-accounted investees	5,496	6,688
Opening net assets	31,688	0
Acquired during the year	0	25,000
Proceeds from redemption of investment	(45,683)	0
Carrying value of investment	0	31,688
CSS Corp LP [Member]
Aggregate amounts of the Company’s share of income of equity-accounted investees	5,496	6,688
Gain on disposal	8,499	0
Income (Loss) from Equity Method Investments	13,995	6,688
CSS Corp LP [Member] | CSS Corp LP [Member]
Opening net assets	$ 31,688
Carrying value of investment		$ 31,688