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Fair Value of Financial Instruments - Additional Information (Detail) (USD $) | 0 Months Ended |  |  | 9 Months Ended
--- | --- | --- | --- | ---
Mar. 29, 2013 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2013 Black Scholes Model [Member]
Class of Warrant or Right [Line Items] |  |  |  |
Fair value assumption, expected volatility |  |  |  | 66.00%
Fair value assumption, risk free interest rate |  |  |  | 1.00%
Fair value assumption, expected term |  |  |  | 5 years
Fair value assumption, expected dividend yield |  |  |  | 0.00%
Grant date fair value of the initial warrant valuation |  | $ 2.56 |  |
Closing market price of common stock | $ 3.00 |  |  |
Number of shares, exercisable right |  |  | 6,905,576 |
Exercise price of warrants |  |  | 0.37 |
Warrant outstanding, number value | $ 1,465,000 |  | $ 20,233,338 |

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Subparagraph 4 -Article 4 + Details
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