Note D - Marketable Equity Securities (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

Marketable Securities [Table Text Block]

	September 30, 2020			December 31, 2019
	(in thousands)
Fair market value	$	25,157		$	29,521
Cost		26,551			24,156
Unrealized (loss) / gain	$	(1,394	)	$	5,365

Unrealized Gain (Loss) on Investments [Table Text Block]

	September 30, 2020			December 31, 2019
	(in thousands)
Gross unrealized gains	$	5,310		$	7,808
Gross unrealized losses		6,704			2,443
Net unrealized (loss) / gain	$	(1,394	)	$	5,365

Schedule of Realized Gain (Loss) [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2020		2019		2020			2019
	(in thousands, except per share data)
Sales proceeds	$	-	$	883	$	861		$	1,645
Cost of securities sold		-		557		1,466			805
Realized gain / (loss)	$	-	$	326	$	(605	)	$	840