Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 126,870	$ 13,526
Accounts receivable	334	3,619
Prepaid expenses and other current assets	1,327	453
Total current assets	128,531	17,598
Property and equipment, net	1,480	210
Right-of-use assets, net	6,838	1,990
Intangible assets, net	15,361	17,093
Other long-term assets	372	141
Total assets	152,582	37,032
Current liabilities:
Accounts payable	2,133	852
Current portion of operating lease liability	2,052	841
Liability related to sale of future royalties, current portion	2,779	2,916
Other accrued current liabilities	4,799	4,565
Total current liabilities	11,763	9,174
Operating lease liability, net of current portion	5,156	1,472
Liability related to sale of future royalties, net of current portion	12,150	13,416
Other long-term liabilities	109	18
Total liabilities	29,178	24,080
Commitments and contingencies (Note 11)
Stockholders’ equity:
Preferred Stock: $0.0001 par value; 5,000,000 shares authorized; none issued and outstanding as of December 31, 2020 or 2019
Common Stock: $0.0001 par value; 150,000,000 shares authorized; 110,271,093 and 48,254,994 shares issued and outstanding as of December 31, 2020 and 2019, respectively	11	5
Additional paid-in capital	272,274	129,608
Accumulated deficit	(148,881)	(116,661)
Total stockholders’ equity	123,404	12,952
Total liabilities and stockholders’ equity	$ 152,582	$ 37,032