v3.21.1

Stockholders' Deficit (Details 2) - Restricted Stock Units (RSUs) [Member] | 12 Months Ended
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Dec. 31, 2020 $ / shares shares
Number of shares |
Number of shares, Unvested as of December 31, 2019 | shares | 303,150
Number of shares, granted | shares | 606,500
Number of shares, Vested | shares | (284,648)
Number of shares, Forfeited | shares | (109,650)
Number of shares, Unvested as of December 31, 2020 | shares | 515,352
Weighted average grant date fair value per share |
Weighted average grant date fair value per share, Unvested as of December 31, 2019 | $ / shares | $ 3.58
Weighted average grant date fair value per share, Granted | $ / shares | 5.94
Weighted average grant date fair value per share, Vested | $ / shares | 3.64
Weighted average grant date fair value per share, Forfeited | $ / shares | (3.08)
Weighted average grant date fair value per share, Unvested as of December 31, 2020 | $ / shares | $ 6.12

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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=120381028&loc=d3e5070-113901 + Details
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