Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Revenues:
Collaborative research and development	$ 1,461	$ 74
Royalty income	198	402
Total revenues	1,659	476
Operating expenses:
Research and development	2,129	1,742
General and administrative	2,061	2,169
Total operating expenses	4,190	3,911
Loss from operations	(2,531)	(3,435)
Other income (expense):
Change in fair value of derivatives	42	338
Interest income	9	6
Other expense, net	(2)	(8)
Total other income	49	336
Loss before income taxes	(2,482)	(3,099)
Income tax benefit (expense)	55	(9)
Net loss	$ (2,427)	$ (3,108)
Basic and diluted net loss per share	$ (0.12)	$ (0.17)
Weighted average common shares outstanding:
Basic and diluted	20,757	18,531