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Liquidity - Additional Information (Detail) (USD $)
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6 Months Ended | 12 Months Ended | ||
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Sep. 30, 2013
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Sep. 30, 2012
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Mar. 31, 2013
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Mar. 31, 2012
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| Short-term Debt [Line Items] | ||||
| Proceeds from issuance of convertible debt and equity financing | $ 11,267,000 | $ 1,000,000 | $ 2,600,000 | $ 9,700,000 |
| Proceeds from sale of common stock | 14,900,000 | |||
| Proceeds from restructuring of existing debt to convertible debt | $ 3,000,000 | |||
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- Definition
For a debtor, the aggregate gain (loss) recognized on the restructuring of payables arises from the difference between the book value of the debt before the restructuring and the fair value of the payments on the debt after restructuring is complete. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The net cash inflow or outflow from financing activity for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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