Note B - Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Gain (Loss) on Securities [Table Text Block]

	Years ended December 31,
	2019			2018
Net gains (losses) recognized during the year on marketable securities	$	431,076		$	(333,138	)
Less: Net gains recognized during the year on marketable securities sold during the period		(262,399	)		(4,204	)
Unrealized gains (losses) recognized during the reporting year on marketable securities still held at the reporting date	$	168,677		$	(337,342	)

Marketable Securities [Table Text Block]

Debt Securities	Cost		Fair Value		Unrealized Gain
U.S Treasury Bills (maturities of greater than three months up to one year)	$	3,481,625	$	3,481,625	$	-
Total debt securities		3,481,625		3,481,625		-
Equity Securities
Fixed income mutual funds		1,940,071		2,122,157		182,086
Equity and other mutual funds		1,024,580		1,263,734		239,154
Total equity securities		2,964,651		3,385,891		421,240
Total marketable securities	$	6,446,276	$	6,867,516	$	421,240

Debt Securities
U.S Treasury Bills (maturities of greater than three months up to one year)	$	3,742,681	$	3,742,681	$	-
Total debt securities		3,742,681		3,742,681		-
Equity Securities
Fixed income mutual funds		2,408,799		2,409,213		414
Equity and other mutual funds		1,218,153		1,470,302		252,149
Total equity securities		3,626,952		3,879,515		252,563
Total marketable securities	$	7,369,633	$	7,622,196	$	252,563