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STOCKHOLDERS' EQUITY (Detail) - Weighted average fair value of options granted on the date of grant using the Black-Scholes option-pricing model
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3 Months Ended | 6 Months Ended | ||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2012
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Dec. 31, 2011
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Minimum [Member]
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| Risk free interest rate | 1.60% | 1.10% | 1.30% | 1.10% |
| Dividend yield | ||||
| Volatility | 99.20% | 94.80% | 99.20% | 94.80% |
| Expected term (in years) | 9 years | 5 years 6 months | 9 years | 5 years 6 months |
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Maximum [Member]
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| Risk free interest rate | 1.80% | 2.20% | 1.80% | 2.20% |
| Dividend yield | ||||
| Volatility | 99.70% | 96.80% | 100.70% | 96.80% |
| Expected term (in years) | 9 years | 9 years | 9 years | 9 years |