Consolidated Balance Sheets - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 190,300,776	$ 115,917,807
Restricted cash	34,174	34,174
Total cash, cash equivalents and restricted cash	190,334,950	115,951,981
Short-term investments		100,005,558
Accounts receivable	428,836	4,610,202
Income tax and R&D incentive receivables	5,409,639	7,762,793
Prepaid expenses and other current assets	7,952,690	1,926,675
Total current assets	204,126,115	230,257,209
Property and equipment, net	1,447,786	1,056,920
Intangible assets, net	12,418,967	12,823,846
Other assets	871,976	977,238
Total assets	218,864,844	245,115,213
Current liabilities:
Accounts payable	2,034,493	612,293
Contingent consideration	6,090,000
Accrued expenses and other current liabilities	10,151,437	11,408,154
Total current liabilities	18,275,930	12,020,447
Contingent consideration		5,390,000
Other long-term liabilities	1,454,203	1,828,443
Total liabilities	19,730,133	19,238,890
Commitments and contingencies (Note 17)
Stockholders' equity:
Common stock, $0.0001 par value; 200,000,000 shares authorized; 40,993,768 and 37,142,946 shares issued and outstanding at December 31, 2021 and December 31, 2020, respectively	4,090	3,697
Additional paid-in capital	497,342,207	417,337,742
Accumulated deficit	(293,171,423)	(186,420,599)
Accumulated other comprehensive loss, net	(5,040,163)	(5,044,517)
Total stockholders' equity	199,134,711	225,876,323
Total liabilities and stockholders' equity	$ 218,864,844	$ 245,115,213