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Summary of Activity of Level 3 Inputs Measured on Recurring Basis (Detail) (USD $)
2 Months Ended
Mar. 31, 2014
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Beginning Balance $ 0
Additions 2,354,624
Exercises 0
Adjustment resulting from change in fair value recognized in earnings 0 [1]
Ending Balance $ 2,354,624
[1] The amount of total gains or losses for the period attributable to the change in unrealized gains or losses relating to liabilities held at the reporting date. The unrealized gain is recorded in unrealized gain on change in fair value of warrant and derivative liabilities in the accompanying condensed and consolidated statement of operations.