Balance Sheets - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 22,386,052	$ 41,792,830
Prepaid expenses and other current assets	1,471,453	1,997,904
Total current assets	23,857,505	43,790,734
Prepaid research and development expenses		603,737
Operating lease right-of-use asset	424,209	767,828
Other assets	137,105	154,176
Total assets	24,418,819	45,316,475
Current liabilities:
Accounts payable	950,763	868,115
Accrued expenses	2,956,778	5,225,557
Lease liabilities	448,775	741,558
Total current liabilities	4,356,316	6,835,230
Lease liabilities, net of current portion		66,844
Total liabilities	4,356,316	6,902,074
Stockholders' equity:
Preferred stock; $0.001 par value; 5,000,000 shares authorized, no shares issued and outstanding at June 30, 2024 and December 31, 2023
Common stock; $0.001 par value; 150,000,000 shares authorized at June 30, 2024; 100,000,000 shares authorized at December 31, 2023; 64,483,958 shares issued and outstanding at June 30, 2024; 64,393,744 shares issued and outstanding at December 31, 2023	64,484	64,394
Additional paid-in capital	497,315,304	494,835,219
Accumulated deficit	(477,317,285)	(456,485,212)
Total stockholders' equity	20,062,503	38,414,401
Total liabilities and stockholders' equity	$ 24,418,819	$ 45,316,475

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).