Note 4 - Investment in Affiliate (Tables)

9 Months Ended

Sep. 30, 2020

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 September 30,						For the Nine Months Ended September 30,
	September 30, 2020			December 31, 2019			September 30, 2020		December 31, 2019		2020			2019			2020			2019
HC Realty Series B Stock (a)		29.2	%		7.9	%	$	10,250	$	2,000	$	-		$	-		$	-		$	-
HC Realty common stock		7.8	%		8.5	%		1,981		2,405		(124	)		(132	)		(301	)		(273	)
Total		37.0	%		16.4	%	$	12,231	$	4,405	$	(124	)	$	(132	)	$	(301	)	$	(273	)