Consolidated Balance Sheets - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 142,823,016	$ 144,419,364
Marketable securities	0	29,881,520
Prepaid expenses and other current assets	4,987,317	6,722,229
Total current assets	147,810,333	181,023,113
Fixed assets, net	5,764	19,279
Right-of-use assets	510,814	249,265
Total assets	148,326,911	181,291,657
Current liabilities:
Accounts payable	1,338,057	133,625
Accrued expenses	5,536,464	14,065,885
Current portion of long-term debt	15,146,546	911,763
Operating lease liabilities	239,183	249,265
Total current liabilities	22,260,250	15,360,538
Deferred collaboration revenue, long-term	6,000,000	0
Operating lease liabilities, long-term	271,631	0
Long-term debt, net of current portion	0	14,923,090
Total liabilities	28,531,881	30,283,628
Commitments and contingencies (Notes 3 & 13)
Stockholders' equity:
Preferred stock, $0.001 par value, 15,000,000 shares authorized, none issued and outstanding	0	0
Common stock, voting, $0.001 par value; 150,000,000 authorized and 59,195,951 and 58,560,078 shares issued and outstanding, respectively	59,196	58,560
Additional paid-in capital	513,994,982	507,770,045
Accumulated other comprehensive income	0	(103,938)
Accumulated deficit	(394,259,148)	(356,716,638)
Total stockholders’ equity	119,795,030	151,008,029
Total liabilities and stockholders’ equity	$ 148,326,911	$ 181,291,657