Note 3 - Investments in Related Parties (Tables)

6 Months Ended

Jun. 30, 2024

Notes Tables

Equity Method Investments [Table Text Block]

											(Loss) Income recorded in the Consolidated
	Ownership %						Carrying Value				Statements of Operations (b)
											For the Three					For the Six
											Months Ended					Months Ended
											June 30,					June 30,
	June 30,			December 31,			June 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	%		30		301		(245	)		77		(271	)		(44	)
Total		28.0	%		27.4	%	$	10,280	$	10,551	$	(245	)	$	77	$	(271	)	$	(44	)

Schedule of Equity Method Investments [Table Text Block]

	Three Months						Six Months
	Ended						Ended
	June 30,			June 30,			June 30,			June 30,
	2024			2023			2024			2023
Total revenue	$	5,369		$	5,217		$	10,612		$	10,167
Total expense		8,936			8,527			17,649			16,040
Net loss	$	(3,567	)	$	(3,310	)	$	(7,037	)	$	(5,873	)