Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Revenue:
Royalty revenue and milestones	$ 5.5	$ 8.1	$ 12.0	$ 14.1
Revenue from services	0.4	21.4	8.5	46.1
Other				0.1
Total revenue	5.9	29.5	20.5	60.3
Operating expense:
Cost of revenue	0.3	19.3	3.6	41.4
Research and development	4.8	4.1	14.5	11.3
General and administrative	3.2	2.5	8.2	8.0
Foreign exchange (gain) loss	(3.7)	0.4	(6.5)	0.6
Loss on disposal of assets	0.2		0.2
Total operating expense	4.8	26.3	20.0	61.3
Income (loss) from operations	1.1	3.2	0.5	(1.0)
Non-operating income:
Interest income	0.1		0.3	0.1
Total non-operating income	0.1		0.3	0.1
Income (loss) before tax	1.2	3.2	0.8	(0.9)
Income tax benefit				0.1
Net income (loss)	1.2	3.2	0.8	(0.8)
Basic net income (loss) per share (in dollars per share)	$ 0.03	$ 0.09	$ 0.02	$ (0.03)
Diluted net income (loss) per share (in dollars per share)	$ 0.03	$ 0.09	$ 0.02	$ (0.03)
Basic weighted-average shares outstanding (in shares)	35,105,978	33,890,470	35,102,609	30,127,156
Diluted weighted-average shares outstanding (in shares)	35,143,178	34,260,715	35,127,013	30,127,156
Comprehensive (loss) income:
Net income (loss)	1.2	3.2	0.8	(0.8)
Exchange differences on translation of foreign operations	(2.7)	1.3	(7.7)	0.6
Change in fair value of available for sale investments			(0.1)
Total comprehensive income (loss)	$ (1.5)	$ 4.5	$ (7.0)	$ (0.2)