Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
Dec. 31, 2023
Dec. 31, 2022
Assets $ 7,611,000 $ 10,645,000
Marketable securities 7,611,000 9,150,000
Available-for sale securities 0 1,495,000
US Government [Member]    
Marketable securities 501,000  
US Treasuary [Member]    
Available-for sale securities   1,495,000
Common Stock [Common stock]    
Marketable securities 0 0
Available-for sale securities 0 0
Fair Value, Inputs, Level 2 [Member]    
Assets 7,611,000 10,645,000
Marketable securities 7,611,000 9,150,000
Available-for sale securities 0 1,495,000
Fair Value, Inputs, Level 2 [Member] | US Government [Member]    
Marketable securities 501,000  
Fair Value, Inputs, Level 2 [Member] | US Treasuary [Member]    
Available-for sale securities   1,495,000
Fair Value, Inputs, Level 3 [Member]    
Assets 0 0
Marketable securities 0 0
Available-for sale securities 0 0
Fair Value, Inputs, Level 3 [Member] | US Government [Member]    
Marketable securities 0  
Fair Value, Inputs, Level 3 [Member] | US Treasuary [Member]    
Available-for sale securities   0
Fair Value, Inputs, Level 1 [Member] | US Government [Member]    
Marketable securities 0  
Fair Value, Inputs, Level 1 [Member] | US Treasuary [Member]    
Available-for sale securities   0
Commercial Paper [Member]    
Marketable securities 4,654,000 9,150,000
Commercial Paper [Member] | Fair Value, Inputs, Level 2 [Member]    
Marketable securities 4,654,000 9,150,000
Commercial Paper [Member] | Fair Value, Inputs, Level 3 [Member]    
Marketable securities 0 0
Commercial Paper [Member] | Fair Value, Inputs, Level 1 [Member]    
Marketable securities 0 $ 0
Asset-backed securitie [Member]    
Marketable securities 974,000  
Asset-backed securitie [Member] | Fair Value, Inputs, Level 1 [Member]    
Marketable securities 0  
Asset Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]    
Marketable securities 974,000  
Asset-backed securities [Member] | Fair Value, Inputs, Level 3 [Member]    
Marketable securities 0  
Corporate debt [Member]    
Marketable securities 1,482,000  
Corporate debt [Member] | Fair Value, Inputs, Level 2 [Member]    
Marketable securities 1,482,000  
Corporate debt [Member] | Fair Value, Inputs, Level 3 [Member]    
Marketable securities 0  
Corporate debt [Member] | Fair Value, Inputs, Level 1 [Member]    
Marketable securities $ 0