Stockholders' Equity - Schedule of Common Stock Reserved for Future Issuance (Parenthetical) (Details) - shares |
Jan. 01, 2019 |
Sep. 30, 2019 |
Dec. 31, 2018 |
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Class Of Stock [Line Items] | |||
Treasury stock, shares at cost | 420,000 | 357,000 | |
2016 Equity Incentive Plan | |||
Class Of Stock [Line Items] | |||
Number of authorized shares increased | 384,045 | ||
2016 Employee Stock Purchase Plan | |||
Class Of Stock [Line Items] | |||
Number of authorized shares increased | 96,000 |
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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 additional shares authorized for issuance under share-based payment arrangement. No definition available.
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- Definition Number of previously issued common shares repurchased by the issuing entity and held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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