Annual report pursuant to Section 13 and 15(d)

Fair Value of Derivative Liabilities Recorded (Detail)

v2.4.0.8
Fair Value of Derivative Liabilities Recorded (Detail) (USD $)
Jun. 30, 2013
Jun. 30, 2012
Warrant derivative liabilities $ 143,000 $ 4,943,000
Estimated Fair Value Of New Derivative Liabilities [Member]
   
Warrant derivative liabilities 931,000  
Change In Estimated Fair Value Recognized In Results Of Operations [Member]
   
Warrant derivative liabilities $ (5,731,000)