Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Derivative Liabilities Recorded (Detail)

v2.4.0.6
Fair Value of Derivative Liabilities Recorded (Detail) (USD $)
Dec. 31, 2012
Jun. 30, 2012
Derivative Liabilities $ 2,302,000 $ 4,943,000
Recorded New Derivative Liabilities [Member]
   
Derivative Liabilities 931,000  
Change In Estimated Fair Value Recognized In Results Of Operations [Member]
   
Derivative Liabilities $ (3,572,000)