Note 3 - Investments in Related Parties (Tables)

9 Months Ended

Sep. 30, 2024

Notes Tables

Equity Method Investments [Table Text Block]

											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,
	2024			2023			2024		2023		2024			2023			2024			2023
HC Series B Stock (a)		27.9	%		26.3	%	$	10,250	$	10,250	$	-		$	-		$	-		$	-
HC Common Stock		0.1	%		1.1	%		28		301		(2	)		(145	)		(273	)		(189	)
Total		28.0	%		27.4	%	$	10,278	$	10,551	$	(2	)	$	(145	)	$	(273	)	$	(189	)

Schedule of Equity Method Investments [Table Text Block]

	Three Months						Nine Months
	Ended						Ended
	September 30,			September 30,			September 30,			September 30,
	2024			2023			2024			2023
Total revenue	$	5,365		$	5,378		$	15,977		$	15,545
Total expense		10,490			8,993			28,139			25,032
Net loss	$	(5,125	)	$	(3,615	)	$	(12,162	)	$	(9,487	)