Quarterly report pursuant to Section 13 or 15(d)

Marketable securities (Tables)

v3.21.2
Marketable securities (Tables)
9 Months Ended
Sep. 30, 2021
Marketable Securities  
Schedule of Fair value Marketable Securities
                       
        September 30,   December 31,
        2021   2020
Corporate debt securities     Level 2     $ 5,570,483     $  
Certificates of deposit     Level 2       520,402        
            $ 6,090,885     $