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FAIR VALUE MEASUREMENTS (Tables)
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Fair Value Disclosures [Abstract]    
Financial assets and liabilities measured at fair value on a recurring basis

Financial assets and liabilities measured at fair value on a recurring basis as of June 30, 2021 and December 31, 2020, are summarized below:

                       
  June 30, 2021
                       
  Level 1   Level 2   Level 3   Total Fair Value
Cash equivalents:                      
Money Market Funds $ 11,564,000   $   $   $ 11,564,000
Subtotal   11,564,000             11,564,000
                       
Short-term investments:                      
Corporate Notes/Bonds       1,705,000         1,705,000
Subtotal       1,705,000         1,705,000
                       
Long-term investments:                      
Corporate Notes/Bonds       4,523,000         4,523,000
Convertible debt           374,000     374,000
Subtotal       4,523,000     374,000     4,897,000
                       
Total $ 11,564,000   $ 6,228,000   $ 374,000   $ 18,166,000

 

  December 31, 2020
                       
  Level 1   Level 2   Level 3   Total Fair Value
Cash equivalents:                      
Money Market Funds $ 9,424,000   $   $   $ 9,424,000
Subtotal   9,424,000             9,424,000
                       
Short-term investments:                      
Commercial Paper       700,000         700,000
Corporate Notes/Bonds       2,059,000         2,059,000
Subtotal       2,759,000         2,759,000
                       
Long-term investments:                      
Corporate Notes/Bonds       5,605,000         5,605,000
Convertible debt           605,000     605,000
Subtotal       5,605,000     605,000     6,210,000
                       
Current Liabilities:                      
Contingent Consideration           (550,000)     (550,000)
Subtotal           (550,000)     (550,000)
                       
Total $ 9,424,000   $ 8,364,000   $ 55,000   $ 17,843,000

Financial assets and liabilities measured at fair value on a recurring basis as of December 31, 2020 and 2019, are summarized below:

 

   December 31, 2020     
                 
   Level 1   Level 2   Level 3   Total Fair Value 
                     
Cash equivalents:                    
Money Market funds  $9,424,000   $   $   $9,424,000 
Subtotal   9,424,000            9,424,000 
                     
Short-term investments:                    
Commercial Paper       700,000        700,000 
Corporate Notes/Bonds       2,059,000        2,059,000 
Subtotal       2,759,000        2,759,000 
                     
Long-term investments:                    
Corporate Notes/Bonds       5,605,000        5,605,000 
Convertible Debt           605,000    605,000 
Subtotal       5,605,000    605,000    6,210,000 
                     
Current Liabilities:                    
Accrued Consideration           (550,000)   (550,000)
Subtotal           (550,000)   (550,000)
                     
Total  $9,424,000   $8,364,000   $55,000   $17,843,000 

 

   December 31, 2019     
                 
   Level 1   Level 2   Level 3   Total Fair Value 
                     
Cash equivalents:                    
Money Market funds  $8,761,000   $   $   $8,761,000 
Subtotal   8,761,000            8,761,000 
                     
Short-term investments:                    
Commercial Paper       8,694,000        8,694,000 
Corporate Notes/Bonds       756,000        756,000 
Subtotal       9,450,000        9,450,000 
                     
Long-term investments:                    
Convertible Debt           250,000    250,000 
Subtotal           250,000    250,000 
                     
Total  $8,761,000   $9,450,000   $250,000   $18,461,000