Quarterly report pursuant to Section 13 or 15(d)

Employee Option Grants and Non-employee Option Grants (Detail)

v2.4.0.6
Employee Option Grants and Non-employee Option Grants (Detail) (USD $)
3 Months Ended 6 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Total stock-based compensation expense $ (6,000) $ 28,000 $ 38,000 $ 29,000
Research and Development Expense [Member]
       
Total stock-based compensation expense 4,000 2,000 8,000 3,000
General and Administrative Expense [Member]
       
Total stock-based compensation expense $ (10,000) $ 26,000 $ 30,000 $ 26,000