Quarterly report pursuant to Section 13 or 15(d)

MARKETABLE SECURITIES (Details)

v3.22.2.2
MARKETABLE SECURITIES (Details) - USD ($)
Sep. 30, 2022
Dec. 31, 2021
Fair Value [Member]    
Other Investment Not Readily Marketable [Line Items]    
Certificates of deposit $ 2,986,000  
Government securities 13,054,000  
Fixed income mutual funds 11,541,000 $ 14,325,000
Corporate bonds and notes 178,000 801,000
Total marketable securities 27,759,000 15,126,000
Cost Basis [Member]    
Other Investment Not Readily Marketable [Line Items]    
Certificates of deposit 3,000,000  
Government securities 13,068,000  
Fixed income mutual funds 12,580,000 14,462,000
Corporate bonds and notes 192,000 813,000
Total marketable securities 28,840,000 15,275,000
Gross Unrealized Gains [Member]    
Other Investment Not Readily Marketable [Line Items]    
Certificates of deposit  
Government securities  
Fixed income mutual funds
Corporate bonds and notes
Total marketable securities
Gross Unrealized Losses [Member]    
Other Investment Not Readily Marketable [Line Items]    
Certificates of deposit (14,000)  
Government securities (14,000)  
Fixed income mutual funds (1,039,000) (137,000)
Corporate bonds and notes (14,000) (12,000)
Total marketable securities $ (1,081,000) $ (149,000)