Balance Sheet Components (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Balance Sheet Components Details 1
Payable for clinical trial expenses	$ 1,835	$ 1,421
Contract manufacturing	1,524	773
Other accounts payable	5,826	3,490
Total accounts payable	9,185	5,684
Employee compensation	1,696	1,491
Other	51	93
Total liabilities	$ 1,747	$ 1,584