Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 150,515	$ 131,843
Prepaid expenses and other current assets	7,818	9,956
Total current assets	158,333	141,799
Property and equipment, net	554	597
Goodwill	17,260	17,260
Other assets	5,962	5,413
Total assets	182,109	165,069
Current liabilities:
Accounts payable	6,788	4,785
Accrued expenses	7,561	13,486
Other current liabilities	798	653
Total current liabilities	15,147	18,924
Liability related to sale of future royalties	49,407	48,714
Other long-term liabilities	4,121	4,270
Total liabilities	68,675	71,908
Stockholders' Equity:
Common stock, $0.01 par value per share - 30,000,000 authorized at March 31, 2020 and December 31, 2019; 14,977,855 and 12,749,443 issued and outstanding at March 31, 2020 and December 31, 2019, respectively	149	127
Additional paid in capital	291,221	245,769
Accumulated other comprehensive income	12,739	6,452
Accumulated deficit	(190,675)	(159,187)
Total stockholders' equity	113,434	93,161
Total liabilities and stockholders' equity	$ 182,109	$ 165,069