Condensed Consolidated Balance Sheets - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 52,876,271	$ 18,505,493
Prepaid expenses and other current assets	645,464	499,403
Investments		39,982,213
Total current assets	53,521,735	58,987,109
Goodwill	9,600,240	9,600,240
In-process research and development	4,800,000	4,800,000
Property and equipment, net	54,562	45,269
Right-of-use asset	669,314	629,495
Other non-current assets	72,791	92,792
Total assets	68,718,642	74,154,905
Current liabilities:
Accounts payable	548,221	424,646
Accrued liabilities and other current liabilities	2,071,738	2,605,308
Operating lease liability	201,277	157,505
Total current liabilities	2,821,236	3,187,459
Deferred tax liability	201,792	201,792
Other non-current liabilities	519,685	523,619
Total liabilities	3,542,713	3,912,870
Commitments and contingencies (Note 4)
Stockholders’ equity:
Common stock, $0.001 par value; 100,000,000 shares authorized at June 30, 2023 and December 31, 2022; 49,046,246 and 49,046,246 shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively	49,046	49,046
Additional paid-in capital	478,167,424	477,438,451
Accumulated other comprehensive loss	(121,040)	(115,285)
Accumulated deficit	(412,919,501)	(407,130,177)
Total stockholders’ equity	65,175,929	70,242,035
Total liabilities and stockholders' equity	$ 68,718,642	$ 74,154,905