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Certain Balance Sheet Items
 12 Months Ended
Dec. 31, 2024
Certain Balance Sheet Items [Abstract]  
Certain Balance Sheet Items Certain Balance Sheet Items
Prepaid and other current assets at December 31, 2024 and 2023 consisted of the following:
 
20242023
Prepaid clinical expenses (a)627,962 3,410,442 
Other prepaid expenses1,889,503 2,003,655 
$2,517,465 $5,414,097 
Accounts payable and accrued expenses at December 31, 2024 and 2023 consisted of the following:
20242023
Trade accounts payable$5,091,503 $3,577,826 
Accrued compensation10,007,180 9,837,104 
Other accrued expenses (b) 1,101,330 6,432,814 
$16,200,013 $19,847,744 

(a)As of December 31, 2024 and 2023, balance included $0 and $1.5 million, respectively, of prepaid manufacturing expenses.
(b)As of December 31, 2024 and 2023, balance included $0 and $4.3 million, respectively, of liability for unused grant funding.