Note 3 - Investments in Related Parties (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Equity Method Investments [Table Text Block]

											Loss recorded in the Consolidated
	Ownership %						Carrying Value				Statements of Operations(b)
											For the Three
											Months Ended
											March 31,
	March 31,			December 31,			March 31,		December 31,
	2024			2023			2024		2023		2024			2023
HC Series B Stock (a)		26.3	%		26.3	%	$	10,250	$	10,250	$	-		$	-
HC Common Stock		1.1	%		1.1	%		275		301		(26	)		(121	)
Total		27.4	%		27.4	%	$	10,525	$	10,551	$	(26	)	$	(121	)

Schedule of Equity Method Investments [Table Text Block]

	Three Months
	Ended
	March 31,			March 31,
	2024			2023
Total revenue	$	5,243		$	4,949
Total expense		8,713			7,512
Net loss	$	(3,470	)	$	(2,563	)