v3.21.1

Stockholders' Deficit (Details 2) - Restricted Stock Units (RSUs) [Member]	12 Months Ended
	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

X

- Definition

Gross number of share options (or share units) granted during the period.

+ References

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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

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- Definition

Number of non-vested options outstanding.

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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.

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- Definition

Number of non-vested options forfeited.

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- Definition

Weighted average grant-date fair value of non-vested options forfeited.

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- Definition

Number of options vested.

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Weighted average grant-date fair value of options vested.

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