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Significant Accounting Policies - Additional Information (Detail)
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1 Months Ended | 6 Months Ended |
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Jun. 03, 2013
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Jun. 30, 2013
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| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||
| Risk free interest rate | 1.03% | 1.03% |
| Volatility of market price | 102.93% | 102.93% |
| Expected average term of warrant used | 5 years | 5 years |
| Probability of change in control assumed | 15.00% |