Consolidated Balance Sheets - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 115,917,807	$ 8,962,686
Restricted cash	34,174	34,174
Total cash, cash equivalents and restricted cash	115,951,981	8,996,860
Short-term investments	100,005,558	28,277,386
Accounts receivable	4,610,202	1,021,179
Tax refund receivable	7,762,793	629,096
Prepaid expenses and other current assets	1,926,675	470,228
Total current assets	230,257,209	39,394,749
Property and equipment, net	1,056,920	1,104,208
Right of use asset	903,825	698,321
Intangible assets, net	12,823,846	12,732,195
Other assets	73,413	128,547
Total assets	245,115,213	54,058,020
Current liabilities:
Accounts payable	612,293	18,232
Accrued expenses and other current liabilities	11,408,154	3,904,767
Total current liabilities	12,020,447	3,922,999
Contingent consideration	5,390,000	2,750,000
Other long-term liabilities	1,828,443	1,864,875
Total liabilities	19,238,890	8,537,874
Commitments and contingencies (Note 17)
Stockholders’ equity:
Common stock, $0.0001 par value; 200,000,000 shares authorized; 37,142,946 and 15,312,381 shares issued; 37,142,946 and 15,312,167 shares outstanding at December 31, 2020 and 2019, respectively	3,697	1,508
Additional paid-in capital	417,337,742	187,914,916
Accumulated deficit	(186,420,599)	(137,376,122)
Accumulated other comprehensive loss, net	(5,044,517)	(5,020,156)
Total stockholders’ equity	225,876,323	45,520,146
Total liabilities and stockholders’ equity	$ 245,115,213	$ 54,058,020