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Value of input used to measure contingent consideration liability from business combination.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Face (par) amount of debt instrument at time of issuance.

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Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy.

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Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.

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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.

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The number of securities classified as temporary equity that have been sold (or granted) to the entity's shareholders. Securities issued include securities outstanding and securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.

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Fair Value of Financial Instruments - Additional Information (Details)	1 Months Ended	9 Months Ended		12 Months Ended
	Dec. 31, 2013 USD ($) shares	Sep. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2020 USD ($) $ / shares	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) shares	Nov. 02, 2021 shares	Aug. 31, 2021 USD ($) shares	Jun. 30, 2017 shares
Fair Value Option Quantitative Disclosures [Line Items]
Fair value, measurement with unobservable inputs reconciliation, liability, transfers into level 3 \| $		$ 0	$ 0
Fair value, measurement with unobservable inputs reconciliation, liability, transfers out of level 3 \| $		$ 0	$ 0
Warrants issued to purchase preferred stock		331,503
Fair value of warrants \| $		$ 4,225,000			$ 1,914,000
Convertible preferred stock, shares issued		17,031,887			17,031,887
Common stock, shares issued		1,305,634			1,247,024
TDO Software, Inc.
Fair Value Option Quantitative Disclosures [Line Items]
Contingent consideration earnout paid \| $		$ 700,000			$ 1,000,000.0
Forecast \| License \| TDO Software, Inc.
Fair Value Option Quantitative Disclosures [Line Items]
Contingent earnout required to be paid \| $				$ 700,000
Forecast \| Unit \| TDO Software, Inc.
Fair Value Option Quantitative Disclosures [Line Items]
Contingent earnout required to be paid \| $				$ 500,000
Forward Obligation \| IPO Closing \| Subsequent Event
Fair Value Option Quantitative Disclosures [Line Items]
Common stock, shares issued						224,842,000
Minimum
Fair Value Option Quantitative Disclosures [Line Items]
Warrants expiration date		2023-12
Maximum
Fair Value Option Quantitative Disclosures [Line Items]
Warrants expiration date		2031-08
Fair Values \| Minimum
Fair Value Option Quantitative Disclosures [Line Items]
Warrants and Rights Outstanding, Measurement Input \| $ / shares		8.13	5.99
Fair Values \| Maximum
Fair Value Option Quantitative Disclosures [Line Items]
Warrants and Rights Outstanding, Measurement Input \| $ / shares		14.45	16.39
Sales Projections \| TDO Software, Inc.
Fair Value Option Quantitative Disclosures [Line Items]
Contingent earnout measurement input		7.6			7.6
Discount Rate \| TDO Software, Inc.
Fair Value Option Quantitative Disclosures [Line Items]
Contingent earnout measurement input		7.6			7.6
Series C-1
Fair Value Option Quantitative Disclosures [Line Items]
Convertible preferred stock, shares issued		1,643,832			1,643,832
Series E
Fair Value Option Quantitative Disclosures [Line Items]
Convertible preferred stock, shares issued		8,801,978			8,801,978
Series D
Fair Value Option Quantitative Disclosures [Line Items]
Convertible preferred stock, shares issued		3,982,359			3,982,359
Series D \| Forward Obligation
Fair Value Option Quantitative Disclosures [Line Items]
Convertible preferred stock, shares issued		0			0
Series D \| Minimum
Fair Value Option Quantitative Disclosures [Line Items]
Estimated fair value by future cash flows attributable to forward obligation probable percentage		10.00%
Series D \| Maximum
Fair Value Option Quantitative Disclosures [Line Items]
Preferred stock issuance \| $		$ 224,842,000
Estimated fair value by future cash flows attributable to forward obligation probable percentage		70.00%
Term Loan \| Oxford Finance LLC
Fair Value Option Quantitative Disclosures [Line Items]
Term loan facility amount \| $	$ 10,000,000.0
Debt repayment month and year	2017-06
Percentage of aggregate amount funded to purchase preferred stock	3.00%
Term Loan \| Oxford Finance LLC \| Series C-1
Fair Value Option Quantitative Disclosures [Line Items]
Warrants issued to purchase preferred stock	27,397
Term Loan \| Perceptive Credit Holdings L P \| Series E
Fair Value Option Quantitative Disclosures [Line Items]
Warrants issued to purchase preferred stock							150,684	49,315
Fair value of warrants \| $							$ 2,100,000
Term Loan \| Perceptive Credit Holdings L P \| Series D
Fair Value Option Quantitative Disclosures [Line Items]
Warrants issued to purchase preferred stock								54,793