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Stockholders' Equity - Schedule of Common Stock Reserved for Future Issuance (Details) - shares | Sep. 30, 2017 | [1] | Dec. 31, 2016
--- | --- | --- | ---
Class Of Stock [Line Items] |  |
Common stock, reserved for future issuance | 1,626,693 | 1,901,140
Warrants Issued and Outstanding |  |
Class Of Stock [Line Items] |  |
Common stock, reserved for future issuance | 51,003 | 51,003
Stock Option Awards Issued and Outstanding |  |
Class Of Stock [Line Items] |  |
Common stock, reserved for future issuance | 1,222,089 | 1,040,387
Authorized for grants under the 2016 Employee Stock Purchase Plan |  |
Class Of Stock [Line Items] |  |
Common stock, reserved for future issuance | 100,000 | 100,000
Authorized for Grants under the 2016 Equity Incentive Plan |  |
Class Of Stock [Line Items] |  |
Common stock, reserved for future issuance | 253,601 | 709,750
[1] | Treasury stock in the amount of 52,200 are excluded from the table above.

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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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