Consolidated Balance Sheets - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 143,495,266	$ 8,962,686
Restricted cash	34,174	34,174
Total cash, cash equivalents and restricted cash	143,529,440	8,996,860
Short-term investments	63,282,716	28,277,386
Accounts receivable	3,816,489	1,021,179
Tax refund receivable	6,193,855	629,096
Prepaid expenses and other current assets	1,309,044	470,228
Total current assets	218,131,544	39,394,749
Property and equipment, net	1,041,920	1,104,208
Right of use asset	939,855	698,321
Intangible assets, net	12,794,806	12,732,195
Other assets	87,195	128,547
Total assets	232,995,320	54,058,020
Current liabilities:
Accounts payable	874,885	18,232
Accrued expenses and other current liabilities	5,418,831	3,904,767
Total current liabilities	6,293,716	3,922,999
Contingent consideration	25,070,000	2,750,000
Other long-term liabilities	1,925,769	1,864,875
Total liabilities	33,289,485	8,537,874
Commitments and contingencies (Note 16)
Stockholders’ equity:
Common stock, $0.0001 par value; 200,000,000 shares authorized; 33,073,035 and 15,312,381 shares issued; 33,073,035 and 15,312,167 shares outstanding at September 30, 2020 and December 31, 2019, respectively	3,289	1,508
Additional paid-in capital	380,543,640	187,914,916
Accumulated deficit	(175,798,822)	(137,376,122)
Accumulated other comprehensive loss, net	(5,042,272)	(5,020,156)
Total stockholders’ equity	199,705,835	45,520,146
Total liabilities and stockholders’ equity	$ 232,995,320	$ 54,058,020