v3.3.1.900

Stock‑Based Compensation (Details) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2015 USD ($) period shares | Dec. 31, 2015 USD ($) $ / shares shares
2015 Plan |  |
Stock Based Compensation |  |
Shares reserved for issuance | 3,451,495 | 3,743,382
Shares reserved for issuance as a proportion common stock outstanding (as a percent) | 4.00% |
Automatic termination of plan, term |  | 10 years
2015 Plan | Non-employee directors |  |
Stock Based Compensation |  |
Aggregate grant date fair value of awards granted, annual ceiling limitation amount | $ | $ 500,000 |
2015 Plan | Newly appointed non-employee directors |  |
Stock Based Compensation |  |
Aggregate grant date fair value of awards granted, annual ceiling limitation amount | $ | $ 1,000,000 |
2015 Plan | Minimum |  |
Stock Based Compensation |  |
Shares reserved for issuance | 3,500,000 |
2007 Plan |  |
Stock Based Compensation |  |
Shares reserved for issuance |  | 15,258,947
Automatic termination of plan, term |  | 10 years
2015 Employee Stock Purchase Plan |  |
Stock Based Compensation |  |
Shares reserved for issuance | 893,548 |
Shares reserved for issuance as a proportion common stock outstanding (as a percent) | 1.00% |
Price in relation to fair market value of common stock on the date of grant, lower range limit (as a percent) | 85.00% |
Maximum amount of award or purchase during a calendar year | $ | $ 25,000 |
Requisite service requirement (in hours per week) | 20 hours |
Requisite service requirement (in months per year) | 5 months |
Maximum offering period, term | 27 months |
Number of expected offering periods each year | period | 2 |
Offering period, expected term | 6 months |
Maximum employee contribution of employee's cash compensation (as a percent) | 15.00% |
Maximum aggregate amount of shares a participant may receive during the fiscal year | $ | $ 5,000 |
2015 Employee Stock Purchase Plan | Minimum |  |
Stock Based Compensation |  |
Shares reserved for issuance | 880,000 |
Employee and non-employee stock options | 2015 Plan |  |
Stock Based Compensation |  |
Price in relation to fair market value of common stock on the date of grant, lower range limit (as a percent) | 100.00% |
Vesting period | 4 years |
Expiration period | 10 years |
Maximum number of shares a participant may receive during the fiscal year (in shares) | 1,725,000 |
Additional number of shares a new employee may receive during initial fiscal year of employment (in shares) | 350,000 |
Employee and non-employee stock options | 2007 Plan |  |
Stock Based Compensation |  |
Price in relation to fair market value of common stock on the date of grant, lower range limit (as a percent) |  | 100.00%
Vesting period |  | 4 years
Expiration period |  | 10 years
Stock options, exercise price range, number outstanding (in shares) |  | 8,621,395
Stock options, exercise price range, lower range limit (in dollars per share) | $ / shares |  | $ 0.0065
Stock options, exercise price range, upper range limit (in dollars per share) | $ / shares |  | 12.8501
Stock options, exercise price range, weighted-average exercise price (in dollars per share) | $ / shares |  | $ 3.27
Shares exercised and unvested |  | 1,300,000
Period after Market Stand-off repurchase right expires |  | 210 days
Accelerated stock-based compensation expense | $ |  | $ 1,300,000
Stock appreciation rights | 2015 Plan |  |
Stock Based Compensation |  |
Price in relation to fair market value of common stock on the date of grant, lower range limit (as a percent) | 100.00% |
Vesting period | 4 years |
Expiration period | 10 years |
Maximum number of shares a participant may receive during the fiscal year (in shares) | 1,725,000 |
Additional number of shares a new employee may receive during initial fiscal year of employment (in shares) | 350,000 |
Restricted shares and stock Units | 2015 Plan |  |
Stock Based Compensation |  |
Maximum number of shares a participant may receive during the fiscal year (in shares) | 1,500,000 |
Additional number of shares a new employee may receive during initial fiscal year of employment (in shares) | 300,000 |
Performance awards | 2015 Plan |  |
Stock Based Compensation |  |
Maximum amount of award or purchase during a calendar year | $ | $ 5,000,000 |

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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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