Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 11,248,806	$ 17,002,715
Investments	17,484,437	42,194,296
Restricted cash	192,475	192,475
Prepaid expenses and other current assets	2,280,255	791,616
Total current assets	31,205,973	60,181,102
Restricted cash	477,425	477,425
Property and equipment, net	1,120,793	1,613,815
Operating lease right of use assets	3,277,943	3,884,252
Other assets	201,271	155,346
Total assets	36,283,405	66,311,940
Current liabilities:
Notes payable	0	353,323
Accounts payable	4,713,532	2,173,963
Accrued expenses	7,545,781	5,999,252
Derivative liability	36,868	36,868
Operating lease liabilities, current	1,396,585	1,280,863
Current portion of long-term debt	17,849,562	2,795,669
Total current liabilities	31,542,328	12,639,938
Long-term debt, net of debt discount	0	15,984,426
License agreement payable, noncurrent	775,000	0
Other long-term liabilities	44,410	22,205
Operating lease liabilities, noncurrent	3,610,651	4,675,354
Total liabilities	35,972,389	33,321,923
Stockholders' equity
Preferred stock, $0.0001 par value; 10,000,000 shares authorized, no sharesissued and outstanding at June 30, 2023 and December 31, 2022. See Note 11	0	0
Common stock, $0.0001 par value; 300,000,000 shares authorized,4,422,741 and 4,171,297 shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively	442	417
Additional paid-in capital	428,981,198	425,196,359
Accumulated deficit	(428,662,589)	(392,080,667)
Accumulated other comprehensive loss	(8,035)	(126,092)
Total stockholders’ equity	311,016	32,990,017
Total liabilities and stockholders’ equity	$ 36,283,405	$ 66,311,940