Balance Sheets - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 22,315,215	$ 34,642,340
Restricted cash	55,000	55,000
Prepaid expenses and other current assets	3,034,485	2,671,411
Total current assets	25,404,700	37,368,751
Property and equipment, net	4,232,655	4,459,071
Operating lease right-of-use assets	836,292	967,032
Other non-current assets	190,583	264,970
Total assets	30,664,230	43,059,824
Current liabilities:
Accounts payable	650,568	2,377,374
Accrued expenses	5,547,648	7,357,153
Operating lease liabilities, current	587,944	599,047
Total current liabilities	6,786,160	10,333,574
Operating lease liabilities, net of current portion	300,217	425,766
Total liabilities	7,086,377	10,759,340
Commitments and contingencies
Stockholders’ equity
Common Stock, $0.0001 par value, 250,000,000 shares authorized as of March 31, 2023 and December 31, 2022; 26,078,451 shares issued and outstanding as of March 31, 2023 and December 31, 2022	2,608	2,608
Additional paid-in-capital	223,389,976	222,547,530
Accumulated deficit	(199,814,731)	(190,249,654)
Total stockholders’ equity	23,577,853	32,300,484
Total liabilities and stockholders’ equity	$ 30,664,230	$ 43,059,824
Common stock, shares outstanding (in shares)	26,078,451	26,078,451
Common stock, shares issued (in shares)	26,078,451	26,078,451