Note D - Marketable Equity Securities (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Marketable Securities [Table Text Block]

	March 31, 2020			December 31, 2019
	(in thousands)
Fair market value	$	23,207		$	29,521
Cost		26,624			24,156
Unrealized (loss) / gain	$	( 3,417	)	$	5,365

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

	March 31, 2020			December 31, 2019
	(in thousands)
Gross unrealized gains	$	3,352		$	7,808
Gross unrealized losses		6,769			2,443
Net unrealized (loss) / gain	$	(3,417	)	$	5,365

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

	Three Months Ended
	March 31,
	2020			2019
	(in thousands)
Sales proceeds	$	677		$	-
Cost of securities sold		1,211			-
Realized loss	$	(534	)	$	-