Fair Value Measurements Using Significant Unobservable Inputs Level 3 (Detail) - USD ($) |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Mar. 13, 2015 |
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2015 |
Jun. 30, 2014 |
|
| Modification of warrants, net of Inducement Shares | $ 624,016 | $ 927,373 | $ 896,763 | ||
| Exercises of Warrants | (75,321) | $ 0 | (299,321) | $ 0 | |
| Adjustments to estimated fair value | 0 | $ 0 | 0 | $ 7,541,693 | |
| Fair Value, Inputs, Level 3 | Private Placement Financing [Member] | |||||
| Balance | 6,270,000 | ||||
| Modification of warrants, net of Inducement Shares | 896,763 | ||||
| Exercises of Warrants | (299,321) | ||||
| Adjustments to estimated fair value | (2,980,829) | ||||
| Balance | $ 3,886,613 | $ 3,886,613 | |||