CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash	$ 428,239,000	$ 316,727,000
Trade receivables, net	4,337,000	0
Inventories	4,582,000	0
Prepaid expenses and other current assets	37,288,000	11,554,000
Total current assets	474,446,000	328,281,000
Property and equipment, net	8,933,000	8,152,000
Equity method investment	3,958,000	5,338,000
Intangible assets, net	41,259,000	0
Other assets	4,073,000	2,493,000
Total assets	532,669,000	344,264,000
Current liabilities:
Accounts payable	29,703,000	14,071,000
Accrued expenses and other current liabilities	76,770,000	52,102,000
Current portion of mandatorily redeemable preferred shares	15,625,000	0
Total current liabilities	122,098,000	66,173,000
Liability related to sale of future royalties	151,454,000	144,111,000
Mandatorily redeemable preferred shares, net	136,404,000	103,646,000
Derivative liability	650,000	37,690,000
Other long-term liabilities	105,000	68,000
Total liabilities	410,711,000	351,688,000
Commitments and contingencies
Shareholders’ equity (deficit):
Common shares, no par value; 200,000,000 shares authorized as of March 31, 2020 and December 31, 2019; 58,387,948 and 52,385,283 shares issued and outstanding as of March 31, 2020 and December 31, 2019, respectively	1,175,139,000	881,426,000
Additional paid-in capital	92,129,000	83,523,000
Accumulated deficit	(1,145,310,000)	(972,373,000)
Total shareholders’ equity (deficit)	121,958,000	(7,424,000)
Total liabilities and shareholders’ equity	$ 532,669,000	$ 344,264,000