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Stockholders' Equity - Summary of Warrants Activity (Detail) (USD $) | 12 Months Ended |
--- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2013
Warrants Outstanding |  |  |
Warrants outstanding, beginning balance | 307,022 | 1,599,404 |
Expiration of warrants assumed |  | (73,889) |
Warrants exercised from amendment to Notes with related parties | (307,022) | (1,218,493) |
Warrants outstanding, ending balance |  | 307,022 |
Weighted Average Exercise Price of Warrants |  |  |
Warrants outstanding, beginning balance | $ 0.95 | $ 0.95 | $ 0.00
Expiration of warrants assumed |  | $ 0.90 |
Warrants exercised from amendment to Notes with related parties | $ 0.95 | $ 0.95 |
Warrants outstanding, ending balance | $ 0.00 | $ 0.95 | $ 0.00

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