MARKETABLE SECURITIES (Tables)

3 Months Ended

Mar. 31, 2023

Marketable Securities

Schedule of marketable securities

March 31, 2023

	Cost Basis		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Certificates of deposit	$	2,976,000	$	21,000	$	—	$	2,997,000
Government securities		25,992,000		204,000		—		26,196,000
Fixed income mutual funds		7,504,000		45,000		—		7,549,000
Corporate bond		178,000		—		—		178,000
Total marketable securities	$	36,650,000	$	270,000	$	—	$	36,920,000

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