Subsequent Events - Additional Information (Detail) - Sale of Stock, Name of Transaction [Domain] - USD ($) |
1 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Jul. 02, 2015 |
Aug. 05, 2015 |
Jul. 31, 2015 |
Jun. 30, 2015 |
Sep. 30, 2014 |
|
| Business Acquisition, Equity Interests Issued Or Issuable [Line Items] | |||||
| Common stock, par or stated value per share | $ 0.001 | $ 0.001 | |||
| Proceeds from Issuance of Common Stock | $ 100,000 | $ 100,000 | |||
| Series A and Series C Warrants [Member] | |||||
| Business Acquisition, Equity Interests Issued Or Issuable [Line Items] | |||||
| Proceeds from Issuance of Common Stock | $ 3,066,000 | ||||
| Series A and Series C Warrants [Member] | Subsequent Event | |||||
| Business Acquisition, Equity Interests Issued Or Issuable [Line Items] | |||||
| Common stock, par or stated value per share | $ 0.20 | ||||
| Proceeds from Issuance of Common Stock | $ 1,469,000 | ||||
| Common stock aggregate issuance | 7,345,000 | ||||
| Inducement Shares Issued | 125,000 | ||||
| Remaininig Inducement Shares Issued | 10,000 | ||||