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Net Loss Per Share - Schedule of stock purchase warrants outstanding (Details 2)	9 Months Ended
	Sep. 30, 2021 USD ($) $ / shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Warrants	$ 216,944,000
Exercise Price 5.68 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Warrants	$ 22,253
Exercise Price | $ / shares	$ 5.68
Expiration Date	Mar. 30, 2022
Exercise Price 12.60 [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Warrants	$ 17,066
Exercise Price | $ / shares	$ 12.60
Expiration Date	Jun. 30, 2022
Exercise Price 12.60 One [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Warrants	$ 151,364
Exercise Price | $ / shares	$ 12.60
Expiration Date	Aug. 18, 2022
Exercise Price 12.60 Two [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Warrants	$ 14,286
Exercise Price | $ / shares	$ 12.60
Expiration Date	Aug. 31, 2022
Exercise Price 12.60 Three [Member]
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Warrants	$ 11,975
Exercise Price | $ / shares	$ 15.30
Expiration Date	Dec. 22, 2025

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Per share increase in exercise price of warrant. Excludes change due to standard antidilution provision.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644

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Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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