Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Revenue:
Royalty revenue and milestones	$ 6.5	$ 6.0	$ 6.5	$ 6.0
Revenue from services	7.4	12.4	8.1	24.6
Other		0.1		0.2
Total revenue	13.9	18.5	14.6	30.8
Operating expense:
Cost of revenue	1.6	11.4	3.3	22.2
Research and development	4.8	4.2	9.7	7.1
General and administrative	2.6	3.1	5.0	5.5
Foreign exchange (gain) loss	(1.5)	(0.1)	(2.8)	0.2
Total operating expense	7.5	18.6	15.2	35.0
Income (loss) from operations	6.4	(0.1)	(0.6)	(4.2)
Non-operating income:
Interest income	0.1		0.2	0.1
Total non-operating income	0.1		0.2	0.1
Income (loss) before tax	6.5	(0.1)	(0.4)	(4.1)
Income tax benefit				0.1
Net income (loss)	6.5	(0.1)	(0.4)	(4.0)
Basic net income (loss) per share (in dollars per share)	$ 0.19	$ 0	$ (0.01)	$ (0.14)
Diluted net income (loss) per share (in dollars per share)	$ 0.19	$ 0	$ (0.01)	$ (0.14)
Basic weighted-average shares outstanding (in shares)	35,100,961	28,291,665	35,100,961	28,286,404
Diluted weighted-average shares outstanding (in shares)	35,103,086	28,291,665	35,100,961	28,286,404
Comprehensive (loss) income:
Net income (loss)	6.5	(0.1)	(0.4)	(4.0)
Exchange differences on translation of foreign operations	(2.5)	(1.0)	(5.0)	(0.7)
Change in fair value of available for sale investments	(0.1)		(0.1)
Total comprehensive income (loss)	$ 3.9	$ (1.1)	$ (5.5)	$ (4.7)