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Fair Value of Financial Instruments
3 Months Ended
Mar. 31, 2021
Fair Value of Financial Instruments [Abstract]  
Fair Value of Financial Instruments
Note 4 – Fair Value of Financial Instruments

There were no transfers among Levels 1, 2, or 3 during 2021 or 2020.

  
Fair Value Measurements at Reporting Date Using
 
  
Total
  
Quoted Prices in
Active Markets
(Level 1)
  
Quoted Prices in
Inactive Markets
(Level 2)
  
Significant
Unobservable Inputs
(Level 3)
 
As of March 31, 2021: (unaudited)
            
Cash and cash equivalents
 
$
25,037,374
  
$
25,037,374
  
$
  
$
 
                 
As of December 31, 2020
                
Cash and cash equivalents
 
$
28,839,565
  
$
28,839,565
  
$
  
$