Represents the annual increase in shares authorized for issuance, effective January 1, 2018, as a percent.

No definition available.

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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.

+ References

No definition available.

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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

+ References

No definition available.

+ Details

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Number of share instruments newly issued under a share-based compensation plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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Equity Incentive Plans - Equity Incentive Plans (Details) - shares	Mar. 31, 2018	Jan. 20, 2017
2012 Plan amended in January 2017
Stock-Based Compensation
Number of options issued under the plan	1,380,677
Common Stock \| 2016 Plan
Stock-Based Compensation
Annual increase in authorized shares (as a percent)		4.00%
Common Stock \| 2016 Plan \| Maximum
Stock-Based Compensation
Shares issuable		854,321
Out-of-the-money options \| Common Stock \| 2016 Plan \| Maximum
Stock-Based Compensation
Additional shares issuable		103,023