CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Revenues:
Collaborative research and development	$ 195	$ 204	$ 364	$ 1,665
Royalty income	390	426	774	624
Total revenues	585	630	1,138	2,289
Operating expenses:
Research and development	1,575	1,992	3,098	4,121
General and administrative	1,658	1,451	3,278	3,512
Impairment of intangible assets		14,830		14,830
Total operating expenses	3,233	18,273	6,376	22,463
Loss from operations	(2,648)	(17,643)	(5,238)	(20,174)
Other income (expense):
Change in fair value of derivatives		128		170
Interest income	4	11	11	20
Other expense, net	(1)		(2)	(2)
Total other income	3	139	9	188
Loss before income taxes	(2,645)	(17,504)	(5,229)	(19,986)
Income tax benefit	37	44	70	99
Net loss	(2,608)	(17,460)	(5,159)	(19,887)
Net loss per common share - basic and diluted	$ (0.11)	$ (0.84)	$ (0.23)	$ (0.96)
Weighted average common shares - basic and diluted	23,297	20,803	22,795	20,780
Net loss	(2,608)	(17,460)	(5,159)	(19,887)
Other comprehensive (loss) income:
Foreign currency translation adjustments	(3)	(151)	56	(514)
Net unrealized (loss) gain on marketable securities	(5)	7	3	5
Other comprehensive (loss) income	(8)	(144)	59	(509)
Comprehensive loss	$ (2,616)	$ (17,604)	$ (5,100)	$ (20,396)