CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash	$ 465,739	$ 264,249
Prepaid expenses and other current assets	8,613	8,090
Total current assets	474,352	272,339
Property and equipment, net	7,433	6,248
Equity method investment	9,099	11,414
Other assets	24	11
Total assets	490,908	290,012
Current liabilities:
Accounts payable	13,502	10,752
Accrued expenses	31,167	8,782
Total current liabilities	44,669	19,534
Liability related to sale of future royalties	129,487	117,515
Mandatorily redeemable preferred shares, net	94,890	0
Derivative liability	35,078	0
Other long-term liabilities	43	2,043
Total liabilities	304,167	139,092
Commitments and contingencies
Shareholders’ equity:
Common shares, no par value; 200,000,000 shares authorized as of June 30, 2019 and December 31, 2018; 51,501,614 and 44,197,549 shares issued and outstanding as of June 30, 2019 and December 31, 2018, respectively	844,966	554,384
Additional paid-in capital	58,717	40,104
Accumulated deficit	(716,942)	(443,568)
Total shareholders’ equity	186,741	150,920
Total liabilities and shareholders’ equity	$ 490,908	$ 290,012