MARKETABLE SECURITIES (Tables)

6 Months Ended

Jun. 30, 2023

Marketable Securities

Schedule of marketable securities

	June 30, 2023
	Cost Basis		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Certificates of deposit	$	5,250,000	$	—	$	(30,000	)	$	5,220,000
Government securities		16,631,000		236,000		(35,000	)		16,832,000
Fixed income mutual funds		7,650,000		—		(126,000	)		7,524,000
Corporate bond		193,000		—		(14,000	)		179,000
Total marketable securities	$	29,724,000	$	236,000	$	(205,000	)	$	29,755,000

	December 31, 2022
	Cost Basis		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Government Securities	$	20,781,000	$	67,000	$	—		$	20,848,000
Fixed income mutual funds		11,904,000		—		(915,000	)		10,989,000
Certificates of Deposit		3,019,000		—		(43,000	)		2,976,000
Corporate bonds and notes		192,000		—		(14,000	)		178,000
Total marketable securities	$	35,896,000	$	67,000	$	(972,000	)	$	34,991,000