Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS' EQUITY (Detail) - Weighted average fair value of options granted on the date of grant using the Black-Scholes option-pricing model

v2.4.0.6
STOCKHOLDERS' EQUITY (Detail) - Weighted average fair value of options granted on the date of grant using the Black-Scholes option-pricing model
 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Dividend yield 0.00% 0.00%
Minimum [Member]
    
Risk free interest rate 0.20% 1.20%
Expected volatility 94.80% 96.80%
Expected term (in years) 9 years 5 years 6 months
Maximum [Member]
    
Risk free interest rate 2.20% 2.10%
Expected volatility 101.00% 133.00%
Expected term (in years) 10 years 10 years