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Stockholders' Equity - Restricted Stock Units (Details) | 9 Months Ended
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Sep. 30, 2019 $ / shares shares
Restricted Stock Units |
Outstanding at beginning of period (in shares) | shares | 292,871
Granted (in shares) | shares | 450,000
Canceled/forfeited (in shares) | shares | (151,993)
Outstanding at end of period (in shares) | shares | 563,353
Weighted Average Grant Date Fair Value |
Outstanding at beginning of period (in dollars per share) | $ / shares | $ 3.78
Granted (in dollars per share) | $ / shares | 0.42
Canceled/forfeited (in dollars per share) | $ / shares | 2.90
Outstanding at end of period (in dollars per share) | $ / shares | $ 1.26
Weighted Average Remaining Contractual Life (in years) |
Outstanding at end of period | 9 years 1 month
Restricted Stock Units |
Restricted Stock Units |
Outstanding at beginning of period (in shares) | shares | 546,858
Granted (in shares) | shares | 27,187
Released (in shares) | shares | (377,894)
Canceled/forfeited (in shares) | shares | (152,441)
Outstanding at end of period (in shares) | shares | 43,710
Weighted Average Grant Date Fair Value |
Outstanding at beginning of period (in dollars per share) | $ / shares | $ 2.54
Granted (in dollars per share) | $ / shares | 1.04
Released (in dollars per share) | $ / shares | 2.51
Canceled/forfeited (in dollars per share) | $ / shares | 2.32
Outstanding at end of period (in dollars per share) | $ / shares | $ 2.62
Weighted Average Remaining Contractual Life (in years) |
Outstanding at end of period | 1 year 2 months

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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + 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 (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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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 Number of options outstanding, including both vested and non-vested options. + 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 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + 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 (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. + References No definition available. + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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