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Research and Development | 9 Months Ended
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Sep. 30, 2023
Research and Development |
Research and Development | Note 14 – Research and Development Research and development expenses consist of the following:
|  | Three Months Ended |  |  | Nine Months End ed |
​ |  | 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 |

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