Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities (Details - Marketable Securities)

v3.21.2
Marketable Securities (Details - Marketable Securities) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Marketable Securities [Line Items]        
Adjusted Cost $ 80,902,119   $ 80,902,119  
Unrealized Loss (509,625) $ 0 (509,625) $ 0
Fair Value 80,392,494   80,392,494  
Corporate Bond Securities [Member]        
Marketable Securities [Line Items]        
Adjusted Cost 45,625,483   45,625,483  
Unrealized Loss     (371,032)  
Fair Value 45,254,451   45,254,451  
US Treasury Securities [Member]        
Marketable Securities [Line Items]        
Adjusted Cost 5,997,340   5,997,340  
Unrealized Loss     (32,998)  
Fair Value 5,964,342   5,964,342  
U S Agency And Government Sponsored Securities [Member]        
Marketable Securities [Line Items]        
Adjusted Cost 5,300,463   5,300,463  
Unrealized Loss     (6,186)  
Fair Value 5,294,277   5,294,277  
US Treasury Notes Securities [Member]        
Marketable Securities [Line Items]        
Adjusted Cost 11,231,747   11,231,747  
Unrealized Loss     (81,470)  
Fair Value 11,150,277   11,150,277  
Asset-backed Securities [Member]        
Marketable Securities [Line Items]        
Adjusted Cost 12,747,086   12,747,086  
Unrealized Loss     (17,939)  
Fair Value $ 12,729,147   $ 12,729,147