Common Stock - Summary of Outstanding Warrants (Detail) - $ / shares |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2017 |
Dec. 31, 2016 |
|
| Series A Warrants [Member] | ||
| Class of Warrant or Right [Line Items] | ||
| Total Outstanding and Exercisable | 2,779,933 | 2,779,933 |
| Exercise price per Share | $ 4.00 | $ 4.00 |
| Expiration Date | 2019-07 | 2019-07 |
| Series B Warrants [Member] | ||
| Class of Warrant or Right [Line Items] | ||
| Total Outstanding and Exercisable | 670,269 | 670,269 |
| Exercise price per Share | $ 4.00 | $ 4.00 |
| Expiration Date | 2019-07 | 2019-07 |
| Series A-1 Warrants [Member] | ||
| Class of Warrant or Right [Line Items] | ||
| Total Outstanding and Exercisable | 239,234 | 239,234 |
| Exercise price per Share | $ 2.40 | $ 2.40 |
| Expiration Date | 2020-10 | 2020-10 |
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- Definition Class of warrants or right expiration date. No definition available.
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- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Number of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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