Note 19 - Fair Value of Financial Instruments - Reconciliation of the Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Balance	$ 14,075	$ 13,964	$ 14,075	$ 13,964
Ending balance	5,434	1,134	5,434	1,134
Contingent Consideration Liability [Member]
Included in other comprehensive income (loss)	0	0	0	0
Beginning balance	2,767	0	2,458	0
Change in fair value of contingent consideration included in net (loss) income	1,192	0	1,501	0
Ending balance	3,959	0	3,959	0
Warrant Liability [Member]
Included in other comprehensive income (loss)	0	0	0	0
Beginning balance	1,494	844	1,402	443
Change in fair value of contingent consideration included in net (loss) income	(19)	0	73	0
Ending balance	1,475	1,134	1,475	1,134
Share-based Compensation Liabilities [Member]
Change in fair value of contingent consideration included in net (loss) income	(19)	290	73	691
Equity Method Investments [Member] | Limited Liability Investments [Member]
Balance	3,751	3,374	4,022	3,263
Distributions received	(164)	(211)	(211)	(233)
Balance	3,413	3,302	3,413	3,302
Equity Method Investments [Member] | Limited Liability Investments [Member] | Realized Investment Gains (Losses) [Member]
Realized gains included in net (loss) income	164	188	197	210
Equity Method Investments [Member] | Limited Liability Investments [Member] | Gain (Loss) On Change In Fair Value Of Limited Liability Investments At Fair Value [Member]
Realized gains included in net (loss) income	(338)	(49)	(595)	62
Included in other comprehensive income (loss)	0	0	0	0
Real Estate Investments [Member]
Balance	10,662	10,662	10,662	10,662
Realized gains included in net (loss) income	0	0	0	0
Balance	10,662	10,662	10,662	10,662
Included in other comprehensive income (loss)	$ 0	$ 0	$ 0	$ 0