Note 23 - Fair Value of Financial Instruments - Reconciliation of the Fair Value (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Balance	$ 13,925
Purchases	(391)	$ (719)
Balance	14,684	13,925
Beginning balance	443
Ending balance	3,860	443
Contingent Consideration Liability [Member]
Beginning balance	0	0
Issuance of contingent consideration in connection with acquisition	2,195	0
Change in fair value of contingent consideration included in net income (loss)	263	0
Ending balance	2,458	0
Included in other comprehensive (loss) income	0	0
Warrant Liability [Member]
Beginning balance	0	249
Change in fair value of contingent consideration included in net income (loss)	0	87
Ending balance	0	0
Included in other comprehensive (loss) income	0	0
Termination of warrants	0	(336)
Share-based Compensation Liabilities [Member]
Beginning balance	443	0
Change in fair value of contingent consideration included in net income (loss)	959	0
Ending balance	1,402	443
Included in other comprehensive (loss) income	0	0
Issuance of stock-based compensation awards	0	443
Equity Method Investments [Member] \| Limited Liability Investments [Member]
Balance	3,263	4,392
Purchases	0	21
Distributions received	(658)	(808)
Balance	4,022	3,263
Included in other comprehensive (loss) income	0	0
Equity Method Investments [Member] \| Limited Liability Investments [Member] \| Realized Investment Gains (Losses) [Member]
Realized gains included in net income (loss)	631	474
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 income (loss)	786	(816)
Real Estate Investments [Member]
Balance	10,662	10,662
Realized gains included in net income (loss)	0	0
Balance	10,662	10,662
Included in other comprehensive (loss) income	$ 0	$ 0

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Amount of cash (inflow) outflow from investing activities classified as other.

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