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Stockholders' Equity - Restricted Stock Units (Details) | 9 Months Ended
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Sep. 30, 2020 $ / shares shares
Restricted Stock Units |
Outstanding at beginning of period (in shares) | shares | 155,031
Granted (in shares) | shares | 110,800
Canceled/forfeited (in shares) | shares | (30,774)
Outstanding at end of period (in shares) | shares | 235,057
Weighted Average Grant Date Fair Value |
Outstanding at beginning of period (in dollars per share) | $ / shares | $ 5.23
Granted (in dollars per share) | $ / shares | 2.61
Canceled/forfeited (in dollars per share) | $ / shares | 7.14
Outstanding at end of period (in dollars per share) | $ / shares | $ 3.74
Weighted Average Remaining Contractual Life (in years) |
Outstanding at end of period | 8 years 10 months 24 days
Restricted Stock Units |
Restricted Stock Units |
Outstanding at beginning of period (in shares) | shares | 6,603
Granted (in shares) | shares | 19,200
Released (in shares) | shares | (20,068)
Canceled/forfeited (in shares) | shares | (1,255)
Outstanding at end of period (in shares) | shares | 4,480
Weighted Average Grant Date Fair Value |
Outstanding at beginning of period (in dollars per share) | $ / shares | $ 13.17
Granted (in dollars per share) | $ / shares | 2.44
Released (in dollars per share) | $ / shares | 3.96
Canceled/forfeited (in dollars per share) | $ / shares | 12.40
Outstanding at end of period (in dollars per share) | $ / shares | $ 8.64
Weighted Average Remaining Contractual Life (in years) |
Outstanding at end of period | 7 years 3 months 18 days

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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=120381028&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=120381028&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=120381028&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=120381028&loc=d3e5070-113901 + 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=120381028&loc=d3e5070-113901 + Details
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