Condensed Consolidated Balance Sheets - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 11,175,838	$ 21,029,806
Marketable debt securities	21,875,015	28,592,049
Restricted cash – security deposit	50,000	50,000
Prepaid expenses and other current assets	3,997,798	1,321,466
Total current assets	37,098,651	50,993,321
Non-current assets:
Leasehold improvements and equipment – net	2,144,102	1,537,728
Operating lease right-of-use assets – net	3,742,019	4,218,890
Finance lease right-of-use assets – net	7,026	22,270
In-process research and development	3,017,377	3,017,377
Goodwill	1,336,488	1,336,488
Restricted cash – security deposit	200,000	200,000
Total non-current assets	10,447,012	10,332,753
Total assets	47,545,663	61,326,074
Current liabilities:
Accounts payable	656,717	938,270
Accrued expenses	3,696,932	2,850,888
Operating lease liabilities – current	540,076	538,546
Financing lease liabilities – current	7,860	21,039
Total current liabilities	4,901,585	4,348,743
Non-current liabilities:
Deferred tax liability	341,265	341,265
Operating lease liabilities – net of current portion	3,683,949	4,140,387
Financing lease liabilities – net of current portion		2,621
Total non-current liabilities	4,025,214	4,484,273
Total liabilities	8,926,799	8,833,016
Stockholders’ equity:
Common stock par value $0.0001 per share, 500,000,000 shares authorized at September 30, 2022 and December 31, 2021; 216,864,526 and 216,269,450 issued and outstanding as of September 30, 2022 and December 31, 2021, respectively	21,685	21,627
Additional paid-in capital	188,529,404	184,251,138
Accumulated deficit	(148,996,657)	(131,634,208)
Accumulated other comprehensive loss	(935,568)	(145,499)
Total stockholders’ equity	38,618,864	52,493,058
Total liabilities and stockholders’ equity	$ 47,545,663	$ 61,326,074