Condensed Consolidated Balance Sheets - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash	$ 13,105,502	$ 14,785,880
Prepaid expenses	2,324,869	2,701,960
Total current assets	15,430,371	17,487,840
Property and equipment, net	0	29,487
Right-of-use assets	182,019	212,878
Other assets	377,021	364,192
Total assets	15,989,411	18,094,397
Current liabilities:
Accounts payable	1,497,151	2,348,829
Accrued expenses	793,753	2,439,351
Operating lease liabilities, current	134,020	115,916
Short-term portion of contingent consideration	149,000	386,000
Total current liabilities	2,573,924	5,290,096
Contingent consideration, non-current	1,101,000	1,634,000
Operating lease liabilities, non-current	41,248	93,104
Derivative financial instruments-warrants	4,751,800	3,796,390
Total liabilities	8,467,972	10,813,590
Commitments and contingencies (see Note 10)
Stockholders' equity:
Common stock—$0.0001 par value per share; 120,000,000 shares authorized, 5,473,126 and 4,818,733 shares issued and outstanding at March 31, 2024 and December 31, 2023, respectively	547	482
Additional paid-in capital	233,297,756	230,291,362
Accumulated other comprehensive loss	9,200	(78,779)
Accumulated deficit	(227,481,192)	(224,627,386)
Total stockholders' equity	7,521,439	7,280,807
Total liabilities and stockholders' equity	15,989,411	18,094,397
Series A
Stockholders' equity:
Convertible preferred stock	855,808	855,808
Series C
Stockholders' equity:
Convertible preferred stock	$ 839,320	$ 839,320