CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2017	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net loss	$ (78,883,000)	$ (96,012,000)	$ (144,817,000)	$ (60,739,000)
Adjustments to reconcile net loss to net cash used for operating activities:
Non-cash royalty revenue related to sale of future royalties	(12,894,000)	(28,142,000)	(25,299,000)	(5,484,000)
Non-cash interest expense on liability related to sale of future royalties and convertible senior notes	8,665,000	13,682,000	20,130,000	5,437,000
Non-cash debt conversion expense		22,915,000
Depreciation and amortization	3,074,000	5,963,000	5,327,000	5,513,000
Loss on sale/disposal of fixed assets and impairment charges	1,130,000	239,000	(21,000)	7,000
Stock and deferred share unit compensation	8,337,000	11,325,000	22,248,000	15,715,000
Deferred rent	88,000	91,000	161,000	195,000
Change in operating assets and liabilities:
Accounts receivable	(1,143,000)	(623,000)	4,205,000	(3,192,000)
Unbilled revenue	(5,369,000)	4,198,000	(695,000)	615,000
Inventory	(1,285,000)	1,154,000	2,028,000	15,000
Prepaid and other current assets	(505,000)	2,419,000	(706,000)	(1,855,000)
Other assets	405,000	(777,000)	(2,456,000)	(761,000)
Accounts payable	(3,247,000)	771,000	2,649,000	3,319,000
Accrued compensation	(3,778,000)	4,527,000	2,378,000	1,481,000
Other accrued liabilities	960,000	4,375,000	(1,434,000)	3,248,000
Deferred revenue	747,000	61,540,000	(8,318,000)	(20,155,000)
Proceeds from landlord for tenant improvements	42,000		144,000	1,350,000
Net cash provided (used) for operating activities	(83,656,000)	7,645,000	(124,476,000)	(55,291,000)
Cash flows from investing activities:
Purchases of property and equipment	(1,406,000)	(1,116,000)	(10,376,000)	(7,425,000)
Net cash used for investing activities	(1,406,000)	(1,116,000)	(10,376,000)	(7,425,000)
Cash flows from financing activities:
Proceeds from stock options exercised		650,000	5,161,000	4,429,000
Proceeds from common stock issuance, net of $222 of transaction costs		101,663,000
Proceeds from sale of future royalties, net of $5,865 of transaction costs				194,135,000
Fees for debt conversion		(1,699,000)
Proceeds from issuance of convertible 4.5% notes, net of $3,392 of transaction costs			96,608,000
Net cash provided by financing activities		100,614,000	101,769,000	198,564,000
Net change in cash and cash equivalents	(85,062,000)	107,143,000	(33,083,000)	135,848,000
Cash and cash equivalents, beginning of period	245,026,000	159,964,000	278,109,000	142,261,000
Cash and cash equivalents, end of period	$ 159,964,000	267,107,000	$ 245,026,000	$ 278,109,000
Supplemental disclosure:
Cash paid during the year for interest		$ 4,685,000