Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Revenues:
Collaborative research and development	$ 142	$ 164	$ 322	$ 25,245
Royalty income	384	357	670	583
Total revenues	526	521	992	25,828
Operating expenses:
Research and development	3,721	2,767	7,203	5,551
General and administrative	2,043	1,870	4,011	3,604
Total operating expenses	5,764	4,637	11,214	9,155
(Loss) income from operations	(5,238)	(4,116)	(10,222)	16,673
Interest and other income	10	3	20	6
(Loss) income before income taxes	(5,228)	(4,113)	(10,202)	16,679
Income tax benefit (expense)	42	38	83	(188)
Net (loss) income	$ (5,186)	$ (4,075)	$ (10,119)	$ 16,491
Net (loss) income per common share:
Basic	$ (0.18)	$ (0.14)	$ (0.34)	$ 0.56
Diluted	$ (0.18)	$ (0.14)	$ (0.34)	$ 0.54
Weighted average common shares:
Basic	29,436,874	29,366,669	29,426,224	29,344,689
Diluted	29,436,874	29,366,669	29,426,224	30,618,144
Net (loss) income	$ (5,186)	$ (4,075)	$ (10,119)	$ 16,491
Other comprehensive loss:
Foreign currency translation adjustments	(19)	(46)	(47)	(96)
Net unrealized loss on marketable securities	(6)	(2)	(4)	(5)
Other comprehensive loss	(25)	(48)	(51)	(101)
Comprehensive (loss) income	$ (5,211)	$ (4,123)	$ (10,170)	$ 16,390