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Total Number of Shares under Warrants to Purchase Common Stock (Detail)
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Dec. 31, 2012
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| Stock Repurchase Program [Line Items] | |
| Total Shares Subject to Warrants | 485,953 |
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Kingstone Warrants
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| Stock Repurchase Program [Line Items] | |
| Total Shares Subject to Warrants | 289,187 |
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2009 Promissory Notes Warrants
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| Stock Repurchase Program [Line Items] | |
| Total Shares Subject to Warrants | 196,766 |
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- Details
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- Definition
Aggregate amount of each class of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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