Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 331,549	$ 36,269
Marketable securities	27,225	234,077
Prepaid expenses and other current assets	2,595	1,338
Total current assets	361,369	271,684
Property and equipment, net	601	851
Right-of-use asset	602	797
Total assets	362,572	273,332
Current liabilities:
Accounts payable	23,831	21,380
Accrued expenses	91,461	55,048
Lease liability	602	410
Total current liabilities	115,894	76,838
Long term liabilities:
Loan payable, net of discount	49,289	0
Lease liability	0	387
Total long term liabilities	49,289	387
Total liabilities	165,183	77,225
Stockholders' equity:
Preferred stock, par value $0.0001 per share authorized: 5,000,000 shares at December 31, 2022 and December 31, 2021; 2,369,797 and 1,969,797 shares issued and outstanding at December 31, 2022 and December 31, 2021, respectively
Common stock, par value $0.0001 per share authorized: 200,000,000 at December 31, 2022 and December 31, 2021; 18,102,523 and 17,103,395 shares issued and outstanding at December 31, 2022 and December 31, 2021, respectively	2	2
Additional paid-in-capital	1,160,079	863,495
Accumulated other comprehensive loss	(32)	(80)
Accumulated deficit	(962,660)	(667,310)
Total stockholders' equity	197,389	196,107
Total liabilities and stockholders' equity	$ 362,572	$ 273,332