Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 1)

v3.22.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 1) - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Trading Marketable Securities $ 11,162,000 $ 11,951,000
Available-for-sale Securities Current 1,999,000 0
Available-for-sale Securities 0 1,519,000
Total Available For Sale Securities 1,999,000 1,519,000
Totals Marketable Securities 11,162,000 11,951,000
Fair Value, Inputs, Level 2 [Member]    
Totals Marketable Securities 13,161,000 13,470,000
Marketable Securities 13,161,000 13,470,000
Fair Value, Inputs, Level 2 [Member] | Commercial Paper [Member]    
Totals Marketable Securities 10,409,000 10,486,000
Marketable Securities 10,409,000 10,486,000
Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member]    
Totals Marketable Securities   300,000
Marketable Securities   300,000
Fair Value, Inputs, Level 2 [Member] | UStreasury [Member]    
Available-for-sale Securities Current 1,999,000  
Available-for-sale Securities   1,519,000
Total Available For Sale Securities 1,999,000 1,519,000
Fair Value, Inputs, Level 2 [Member] | Asset Backed Securities [Member]    
Totals Marketable Securities 753,000 1,165,000
Marketable Securities 753,000 1,165,000
Fair Value, Inputs, Level 3 [Member]    
Marketable Securities 0 0
Fair Value, Inputs, Level 3 [Member] | Commercial Paper [Member]    
Marketable Securities 0 0
Fair Value, Inputs, Level 3 [Member] | Corporate Debt Securities [Member]    
Marketable Securities   0
Fair Value, Inputs, Level 3 [Member] | Asset-backed securities [Member]    
Marketable Securities 0 0
Fair Value, Inputs, Level 1 [Member]    
Marketable Securities 0 0
Fair Value, Inputs, Level 1 [Member] | Commercial Paper [Member]    
Marketable Securities 0 0
Fair Value, Inputs, Level 1 [Member] | Asset-backed securitie [Member]    
Marketable Securities $ 0 0
Fair Value, Inputs, Level 1 [Member] | Corporate debt securities [Member]    
Marketable Securities   $ 0