Condensed Consolidated Statements of Operations (unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenue:
Net product revenue	$ 135,674,000	$ 83,433,000	$ 251,854,000	$ 120,531,000
Operating expenses:
Cost of goods sold	10,139,000	601,000	16,994,000	2,826,000
Research and development	26,173,000	18,883,000	59,280,000	37,672,000
Selling, general and administrative	34,052,000	36,456,000	69,402,000	69,139,000
Total operating expenses	70,364,000	55,940,000	145,676,000	109,637,000
Income from operations	65,310,000	27,493,000	106,178,000	10,894,000
Interest expense (includes related party of $622 and $613 for the three months ended June 30, 2020 and 2019, respectively; and $1,243 and $1,224 for the six months ended June 30, 2020 and 2019, respectively)	(5,408,000)	(4,433,000)	(9,839,000)	(8,649,000)
Other income, net	423,000	558,000	491,000	1,369,000
Net income before income taxes	60,325,000	23,618,000	96,830,000	3,614,000
Income tax provision	1,294,000	51,000	2,227,000	51,000
Net income	$ 59,031,000	$ 23,567,000	$ 94,603,000	$ 3,563,000
Net income per share:
Basic	$ 0.83	$ 0.34	$ 1.33	$ 0.05
Diluted	$ 0.70	$ 0.32	$ 1.20	$ 0.05
Weighted-average number of shares used in computing net income per share:
Basic	71,099,773	69,479,016	70,880,979	69,310,791
Diluted	88,660,280	72,963,972	83,775,353	72,281,564