Number of Convertible Notes shares.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Aggregate number of nonredeemable convertible preferred shares reserved for future issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ 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 https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
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-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Capital Stock and Warrants - Common stock reserved for future issuance (Details) - shares	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Capital Stock and Warrants
Stock options to purchase common stock	10,081,915	8,799,415	7,056,000
Warrants outstanding for future issuance of convertible preferred stock and common stock	7,013,046
Stock options available for future issuance	3,538,268	216,003	1,963,814
2022 Convertible Notes	5,189,351
Total shares of common stock reserved	37,174,421
Series A Preferred Stock (convertible to Class B Common Stock)
Capital Stock and Warrants
Preferred stock reserved for future issuance	3,086,160
Series B Preferred Stock (convertible to Class B Common Stock)
Capital Stock and Warrants
Preferred stock reserved for future issuance	3,535,621
Series m Preferred Stock (convertible to Class A Common Stock)
Capital Stock and Warrants
Preferred stock reserved for future issuance	1,855,328
Series m-2 Preferred Stock (convertible to Class B Common Stock)
Capital Stock and Warrants
Preferred stock reserved for future issuance	160,000
Series S Preferred Stock (convertible to Class A Common Stock)
Capital Stock and Warrants
Preferred stock reserved for future issuance	2,714,732