Note 8 - Fair Value Disclosures (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

					Significant		Significant
			Quoted Prices in		Observable		Unobservable
			Active Markets		Inputs		Inputs
Assets	Fair Value		(Level 1)		(Level 2)		(Level 3)
Investments-trading:
Corporate bonds and redeemable preferred stock	$	21,354	$	-	$	21,354	$	-
Derivatives		14,975		-		14,975		-
Equity securities		7,415		7,360		55		-
Municipal bonds		852		-		852		-
RMBS		3		-		3		-
SBA loans		42,286		-		42,286		-
U.S. government agency MBS and CMOs		49,194		-		49,194		-
U.S. government agency debt securities		18,348		-		18,348		-
Total investments - trading	$	154,427	$	7,360	$	147,067	$	-
Other investments, at fair value:
Equity securities	$	13,617	$	11,668	$	1,949	$	-
Placement units and warrants		33,223		41		33,182		-
Corporate bonds and redeemable preferred stock		520		-		520		-
Notes receivable		2,242		-		2,242		-
		49,602	$	11,709	$	37,893	$	-
Investments measured at NAV (1)		11,976
Total other investments, at fair value	$	61,578
Liabilities
Trading securities sold, not yet purchased:
Corporate bonds and redeemable preferred stock	$	2,764	$	-	$	2,764	$	-
Derivatives		13,801		-		13,801		-
Equity securities		9		9		-		-
U.S. government agency debt securities		68		-		68		-
U.S. Treasury securities		21,453		21,453		-		-
Total trading securities sold, not yet purchased	$	38,095	$	21,462	$	16,633	$	-
Other investments, sold not yet purchased:
Equity derivatives	$	11	$	-	$	11	$	-
Total other investments sold, not yet purchased	$	11	$	-	$	11	$	-

					Significant		Significant
			Quoted Prices in		Observable		Unobservable
			Active Markets		Inputs		Inputs
Assets	Fair Value		(Level 1)		(Level 2)		(Level 3)
Investments-trading:
Corporate bonds and redeemable preferred stock	$	18,449	$	-	$	18,449	$	-
Derivatives		4,651		-		4,651		-
Equity securities		10,424		10,369		55		-
Municipal bonds		3,813		-		3,813		-
RMBS		3		-		3		-
SBA loans		43,090		-		43,090		-
U.S. government agency MBS and CMOs		42,471		-		42,471		-
U.S. government agency debt securities		17,675		-		17,675		-
Total investments - trading	$	140,576	$	10,369	$	130,207	$	-
Other investments, at fair value:
Equity securities	$	21,457	$	19,831	$	1,626	$	-
Placement units and warrants		19,997		-		19,997		-
Corporate bonds and redeemable preferred stock		535		-		535		-
Notes receivable		2,783		-		2,783		-
		44,772		19,831		24,941		-
Investments measured at NAV (1)		12,486
Total other investments, at fair value	$	57,258
Liabilities
Trading securities sold, not yet purchased:
Corporate bonds and redeemable preferred stock	$	8,107	$	-	$	8,107	$	-
Derivatives		4,245		-		4,245		-
Equity securities		463		463		-		-
U.S. Treasury securities		23,802		23,802		-		-
Total trading securities sold, not yet purchased	$	36,617	$	24,265	$	12,352	$	-

Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table Text Block]

	Fair Value March 31, 2026		Unfunded Commitments		Redemption Frequency		Redemption Notice Period
Other investments, at fair value
CK Capital Value Fund (a)	$	1,184		N/A		N/A		N/A
CREO JV (b)		8,891	$	7,268		N/A		N/A
U.S. Insurance JV (c)		1,901		N/A		N/A		N/A
	$	11,976

	Fair Value December 31, 2025		Unfunded Commitments		Redemption Frequency		Redemption Notice Period
Other investments, at fair value
CK Capital Value Fund (a)	$1,171		N/A		N/A		N/A
CREO JV (b)		8,940	$	7,268		N/A		N/A
U.S. Insurance JV (c)		2,375		N/A
	$	12,486