Quarterly report pursuant to Section 13 or 15(d)

MARKETABLE SECURITIES (Details)

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MARKETABLE SECURITIES (Details) - USD ($)
Jun. 30, 2024
Dec. 31, 2023
Fair Value [Member]    
Schedule of Investments [Line Items]    
Certificates of deposit $ 1,510,000 $ 6,077,000
Government securities 12,924,000 14,818,000
Fixed income mutual funds 7,731,000 7,676,000
Corporate bonds and notes 495,000  
Total marketable securities 22,660,000 28,571,000
Cost Basis [Member]    
Schedule of Investments [Line Items]    
Certificates of deposit 1,514,000 6,112,000
Government securities 12,910,000 14,701,000
Fixed income mutual funds 7,618,000 7,585,000
Corporate bonds and notes 496,000  
Total marketable securities 22,538,000 28,398,000
Gross Unrealized Gains [Member]    
Schedule of Investments [Line Items]    
Certificates of deposit
Government securities 51,000 127,000
Fixed income mutual funds 113,000 91,000
Corporate bonds and notes  
Total marketable securities 164,000 218,000
Gross Unrealized Losses [Member]    
Schedule of Investments [Line Items]    
Certificates of deposit (4,000) (35,000)
Government securities (37,000) (10,000)
Fixed income mutual funds
Corporate bonds and notes (1,000)  
Total marketable securities $ (42,000) $ (45,000)