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v3.19.1

Stockholders’ Equity - Nonvested Stock (Details) | 3 Months Ended
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Mar. 31, 2019 $ / shares shares
Stock Options |
Beginning balance (in shares) | shares | 3,257,801
Granted (in shares) | shares | 822,975
Vested (in shares) | shares | (458,567)
Cancelled/forfeited (in shares) | shares | (192,978)
Ending balance (in shares) | shares | 3,429,231
Weighted Average Grant Date |
Beginning balance (in dollars per share) | $ / shares | $ 7.32
Granted (in dollars per share) | $ / shares | 10.38
Vested (in dollars per share) | $ / shares | 6.96
Cancelled/forfeited (in dollars per share) | $ / shares | 8.10
Ending balance (in dollars per share) | $ / shares | $ 8.06

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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Number of non-vested options outstanding. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Number of non-vested options forfeited. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of non-vested options forfeited. + References No definition available. + Details
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- Definition Number of options vested. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of options vested. + References No definition available. + Details
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