Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 152,020	$ 131,843
Prepaid expenses and other current assets	7,967	9,956
Total current assets	159,987	141,799
Property and equipment, net	597	597
Goodwill	17,260	17,260
Other assets	6,161	5,413
Total assets	184,005	165,069
Current liabilities:
Accounts payable	4,734	4,785
Accrued expenses	11,752	13,486
Other current liabilities	732	653
Total current liabilities	17,218	18,924
Liability related to sale of future royalties	64,351	48,714
Note payable, net of discount	9,400
Other long-term liabilities	3,916	4,270
Total liabilities	94,885	71,908
Stockholders' Equity:
Common stock, $0.01 par value per share - 30,000,000 authorized at June 30, 2020 and December 31, 2019; 14,989,021 and 12,749,443 issued and outstanding at June 30, 2020 and December 31, 2019, respectively	149	127
Additional paid in capital	294,075	245,769
Accumulated other comprehensive income	6,174	6,452
Accumulated deficit	(211,278)	(159,187)
Total stockholders' equity	89,120	93,161
Total liabilities and stockholders' equity	$ 184,005	$ 165,069