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Equity Transactions - Additional Information (Detail) (USD $) | 0 Months Ended | 9 Months Ended
--- | --- | ---
Aug. 15, 2014 | Sep. 30, 2014
Class of Stock [Line Items] |  |
Gross proceeds before deduction commissions and other expenses | $ 5,600,000 |
Cash from issuance of common stock, net of offering costs |  | 5,291,000
Private Placement [Member] |  |
Class of Stock [Line Items] |  |
Common stock, issued and sold to investors | 6,845,830 |
Common stock, price per share | $ 0.816 |
Offering cost related to the transaction | 300,000 |
Commission | 200,000 |
Legal and other expenses | 100,000 |
Cash from issuance of common stock, net of offering costs | $ 5,300,000 | $ 5,300,000

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