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StockBased Compensation (Details 1) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Options | Common Stock Reserved For Issuance [Member]
Number of outstanding, ending	3,763	5,327	3,746
Weighted average exercise price outstanding, ending	$ 2.29	$ 1.14	$ 1.38
Remaining contractual term (in years)	8 years 14 days	7 years 10 months 2 days	7 years 10 months 2 days
Average intrinsic value	$ 38,732	$ 7,363	$ 222
Unvested Options
Number of outstanding, ending	1,417	1,069	1,087
Weighted average exercise price outstanding, ending	$ 3.89	$ 0.77	$ 0.93
Remaining contractual term (in years)	8 years 7 months 20 days	8 years 9 months 25 days	8 years 9 months 10 days
Average intrinsic value	$ 12,961	$ 2,771	$ 77
Vested Options
Number of outstanding, ending	2,346	3,718	2,659
Weighted average exercise price outstanding, ending	$ 1.32	$ 1.30	$ 1.56
Remaining contractual term (in years)	7 years 8 months 4 days	7 years 5 months 1 day	7 years 5 months 12 days
Average intrinsic value	$ 25,771	$ 4,592	$ 145

X

- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

+ References

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-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

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

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-Topic 718
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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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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.

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