|
Nature of Operations, Basis of Presentation, Significant Accounting Policies and Recent Accounting Pronouncements - Potential Dilutive Securities Excluded from the Computation of Dilutive Weighted Average Shares Outstanding (Detail)
|
9 Months Ended | |
|---|---|---|
|
Sep. 30, 2014
|
Sep. 30, 2013
|
|
| Dilutive Securities Included And Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Preferred stock | 16,064,192 | 2,039,040 |
|
Warrant [Member]
|
||
| Dilutive Securities Included And Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Preferred stock | 13,764,810 | 329,617 |
|
Stock Options [Member]
|
||
| Dilutive Securities Included And Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Preferred stock | 2,299,382 | 597,243 |
|
Preferred Stock [Member]
|
||
| Dilutive Securities Included And Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Preferred stock | 1,112,180 | |