Note 4 - Investments (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Equity Method Investments [Table Text Block]

	Three Months						Nine Months
	Ended						Ended
	September 30,			September 30,			September 30,			September 30,
	2025			2024			2025			2024
Total revenue	$	1,044		$	1,268		$	2,719		$	2,809
Total expense		774			824			2,416			2,365
Pre-tax earnings		270			444			303			444
Provision for income tax		(36	)		(36	)		(36	)		4
Net earnings	$	306		$	480		$	339		$	440

											Loss recorded in the Consolidated
	Ownership %						Carrying Value				Statements of Operations (b)
											For the Three					For the Nine
											Months Ended					Months Ended
											September 30,					September 30,
	September 30,			December 31,			September 30,		December 31,
	2025			2024			2025		2024		2025		2024			2025			2024
HC Series B Stock (a)		27.9	%		27.9	%	$	9,215	$	9,256	$	-	$	-		$	(41	)	$	-
HC Common Stock		0.1	%		0.1	%		9		9		-		(2	)		-			(273	)
Total		28.0	%		28.0	%	$	9,224	$	9,265	$	-	$	(2	)	$	(41	)	$	(273	)

	Three Months						Nine Months
	Ended						Ended
	September 30,			September 30,			September 30,			September 30,
	2025			2024			2025			2024
Total revenue	$	5,333		$	5,365		$	15,943		$	15,977
Total expense		8,837			10,490			25,504			28,139
Net loss	$	(3,504	)	$	(5,125	)	$	(9,561	)	$	(12,162	)

	September 30, 2025				December 31, 2024
			Cost/Amortized				Cost/Amortized
	Fair Value		Cost, Net		Fair Value		Cost, Net
U.S. government and agency securities, held-to-maturity (1)	$	-	$	-	$	1,000	$	1,000
Investment in limited partnership, at net asset value (2)		2,010		2,010		2,183		2,183
Total investments	$	2,010	$	2,010	$	3,183	$	3,183

Investment Income [Table Text Block]

	For the Three Months Ended					For the Nine Months Ended
	September 30, 2025		September 30, 2024			September 30, 2025			September 30, 2024
Interest on:
Cash equivalents	$	89	$	70		$	272		$	273
Fixed income securities		-		35			1			88
Dividends on investment in HC Series B Stock		-		-			-			256
Change in NAV of investment in limited partnership		244		222			217			273
Less: Investment expense		-		(2	)		(1	)		(4	)
Net investment income	$	333	$	325		$	489		$	886