Note D - Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

Marketable Securities [Table Text Block]

					Cumulative Unrealized
	Fair Value		Basis		Loss
	June 30, 2023
Equity security		25		33		(8	)
	$	25	$	33	$	(8	)

	December 31, 2022
198,750 shares of IronNet common stock	$	46	$	4,273	$	(4,227	)
Equity funds and other securities		16,539		17,024		(485	)
	$	16,585	$	21,297	$	(4,712	)