CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash	$ 416,574	$ 264,249
Prepaid expenses and other current assets	6,596	8,090
Total current assets	423,170	272,339
Property and equipment, net	7,460	6,248
Equity method investment	7,106	11,414
Other assets	1,351	11
Total assets	439,087	290,012
Current liabilities:
Accounts payable	11,562	10,752
Accrued expenses	35,644	8,782
Total current liabilities	47,206	19,534
Liability related to sale of future royalties	136,799	117,515
Mandatorily redeemable preferred shares, net	99,268	0
Derivative liability	36,795	0
Other long-term liabilities	43	2,043
Total liabilities	320,111	139,092
Commitments and contingencies
Shareholders’ equity:
Common shares, no par value; 200,000,000 shares authorized as of September 30, 2019 and December 31, 2018; 52,217,684 and 44,197,549 shares issued and outstanding as of September 30, 2019 and December 31, 2018, respectively	874,589	554,384
Additional paid-in capital	67,496	40,104
Accumulated deficit	(823,109)	(443,568)
Total shareholders’ equity	118,976	150,920
Total liabilities and shareholders’ equity	$ 439,087	$ 290,012