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Summary of Significant Accounting Policies - Summary of Fair Value Measurements using Significant Level 3 Inputs (Details) (USD $)
In Thousands, unless otherwise specified |
6 Months Ended |
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Jun. 30, 2014
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| Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | |
| Beginning Balance | $ 260 |
| Fair value of preferred stock warrants exercised | (148) |
| Change in fair value | (36) |
| Reclassification of liability to additional paid in capital | (76) |
| Ending Balance |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of increase (decrease) of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of settlements of financial instrument classified as a derivative asset (liability) after deduction of derivative liability, measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of transfers of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset) out of level 3 of the fair value hierarchy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fair value of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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