Note 23 - Related Party Transactions (Details Textual) - USD ($) $ / shares in Units, $ in Thousands						1 Months Ended		3 Months Ended			6 Months Ended	12 Months Ended
	Mar. 20, 2026	Jan. 31, 2022	Dec. 20, 2021	Mar. 15, 2021	Jan. 31, 2020	Sep. 30, 2025	Feb. 28, 2025	Mar. 31, 2026	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2025	Dec. 31, 2025	Dec. 31, 2024	Jul. 31, 2025	Feb. 25, 2025	Feb. 24, 2025	Sep. 01, 2024	Dec. 31, 2019
Interest Expense, Debt								$ 1,335		$ 1,448
Equity Method Investments								11,258				$ 6,661	$ 23,430
Income (Loss) from Equity Method Investments								(527)		2,418		$ (16,763)
Corporate Aircraft [Member]
Related Party Transaction, Purchases from Related Party						$ 699
Amortization								16		204
Saving Plan 401K [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent of Match													50.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay													3.00%
Defined Contribution Plan, Employer Discretionary Contribution Amount								$ 192		140
CK Capital Partners B.V. [Member]
Equity Method Investment, Ownership Percentage																		45.00%
Equity Method Investment, Quoted Market Value																		$ 18
AOI [Member]
Equity Method Investment, Ownership Percentage																		10.00%
Equity Method Investment, Quoted Market Value																		$ 1
CK Capital Value Fund Cooperatief U.A. [Member]
Equity Method Investment, Quoted Market Value														$ 1,156
U.S. Insurance JV [Member]
Equity Method Investment, Ownership Percentage								1.72%
CREO JV [Member]
Equity Method Investment, Ownership Percentage								7.50%
Columbus Circle Capital Corp II [Member]
Equity Method Investment, Ownership Percentage								26.50%
Financing Receivable, before Allowance for Credit Loss								$ 485
Notes Receivable, Maximum Additional Amount								$ 1,500
Columbus Circle Capital Corp II [Member] | Warrants of Columbus Circle II [Member] | Private Placement Warrants [Member]
Financing Receivable, Convertible, Number of Equity Instruments (in shares)								50,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)								$ 11.5
Columbus Circle Capital Corp II [Member] | Private Placement [Member]
Financing Receivable, Convertible, Conversion Price (in dollars per share)								$ 10
Columbus Circle Capital Corp II [Member] | Private Placement [Member] | Class A Ordinary Shares of Columbus Circle II [Member]
Financing Receivable, Convertible, Number of Equity Instruments (in shares)								150,000
Columbus Circle Capital Corp II [Member] | Investment Banking Underwriting Services [Member] | Cohen & Company Capital Markets (CCM) [Member]
Related Party Transaction, Amounts of Transaction								$ 990
FTAC Parnassus Sponsor [Member]
Equity Method Investment, Shares Received from Services Provided (in shares)				35,000
FTAC Emerald Sponsor [Member]
Equity Method Investment, Shares Received from Services Provided (in shares)			35,000				19,775
Vellar Opportunities GP, LLC [Member]
Equity Method Investment, Ownership Percentage															33.40%	33.40%
Equity Method Investments															$ 10
Income (Loss) from Equity Method Investments										(381)
Vellar Opportunities GP, LLC [Member] | Maximum [Member]
Contractual Obligation															2,121
Vellar Opportunities GP, LLC [Member] | Minimum [Member]
Contractual Obligation															1,084
Vellar Opportunities GP, LLC [Member] | Operating LLC [Member] | Maximum [Member]
Contractual Obligation															$ 4,234
JKD Capital Partners I, LTD [Member]
Related Party Transaction, Amounts of Transaction		$ 4,500			$ 2,250
Daniel G. Cohen [Member] | CK Capital Partners B.V. [Member]
Equity Method Investment, Quoted Market Value																		$ 17
Grand Cru Farm [Member]
Related Party Transaction, Purchases from Related Party								$ 4		$ 11
The 2024 Note [Member]
Debt Instrument, Face Amount																	$ 5,146
Repayments of Debt									$ 2,573		$ 2,573
2022 Note Purchase Agreement [Member] | JKD Capital Partners I, LTD [Member]
Related Party Transaction, Amounts of Transaction		$ 2,250
Loan Agreement [Member] | BZC Family B.V. [Member]
Debt Instrument, Face Amount	$ 2,809
Interest Expense, Debt	$ 0
Debt Instrument, Term (Month)	3 months