Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 16,532,199	$ 22,849,885
Prepaid expenses and other current assets	395,011	726,254
Total current assets	16,927,210	23,576,139
Property and equipment, net	70,665	81,522
Restricted cash	40,673	40,170
Other noncurrent assets	271,162	281,662
Total assets	17,309,710	23,979,493
Current liabilities:
Accounts payable	1,195,838	1,352,240
Accrued expenses	1,971,830	2,008,735
Total current liabilities	3,167,668	3,360,975
Commitments and contingencies (Note 7)
Stockholders' equity:
Common stock, $0.001 par value, 400,000,000 shares authorized, 5,752,175 and 5,481,055 shares issued and outstanding at June 30, 2025 and December 31, 2024, respectively	5,752	5,481
Additional paid-in capital	352,250,747	350,971,225
Accumulated other comprehensive loss	(10,628,417)	(10,627,379)
Accumulated deficit	(328,213,401)	(321,041,872)
Total stockholders' equity	13,414,681	19,307,455
Total liabilities and stockholders' equity	17,309,710	23,979,493
Series A Convertible Preferred Stock
Convertible preferred stock:
Series A convertible preferred stock, $0.001 par value, 40,000,000 shares authorized; 31,194 and 56,227 shares issued and outstanding at June 30, 2025 and December 31, 2024, respectively	$ 727,361	$ 1,311,063