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Research and Development
9 Months Ended
Sep. 30, 2023
Research and Development  
Research and Development


Research and development expenses consist of the following




Three Months Ended

Nine Months Ended


September 30,


September 30,



2023



2022



2023


2022

Outsourced services
$ 25,060,969


$ 12,866,582


$ 64,561,834


$
29,824,534

Payroll costs



3,412,390



1,310,597



7,111,111



3,621,325

Other expenses



168,706



121,746



318,713



385,031

Total

$ 28,642,065
$ 14,298,925
$ 71,991,658
$ 33,830,890