Note 3 - Investment in Affiliate (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Equity Method Investments [Table Text Block]

	Ownership %						Investment in Affiliate Balance				Loss recorded in the Statements of Operations (b)
											For the Three Months Ended June 30,						For the Six Months Ended June 30,
	June 30, 2022			December 31, 2021			June 30, 2022		December 31, 2021		2022			2021			2022			2021
HC Realty Series B Stock (a)		26.8	%		26.8	%	$	10,250	$	10,250	$	-			-		$	-			-
HC Realty common stock		7.1	%		7.1	%		929		1,200		(96	)		(110	)		(189	)		(226	)
Total		33.9	%		33.9	%	$	11,179	$	11,450	$	(96	)	$	(110	)	$	(189	)	$	(226	)