Employee Stock Ownership Plan, Offering Period

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- Definition

Employee Stock Ownership Plan, Purchase Period

+ References

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- Definition

Employee Stock Ownership Plan, Purchase Price, Percent

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- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Upon Termination

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No definition available.

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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

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

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- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- 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.

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- Definition

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

+ References

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- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

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- Definition

Period from grant to expiration date of share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

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- Definition

Number of share options (or share units) exercised during the current period.

+ References

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Stock-based Compensation - Narrative (Details) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended	62 Months Ended
	Apr. 30, 2021 shares	Jun. 30, 2026 USD ($) shares	Jun. 30, 2025 $ / shares shares	Jun. 30, 2026 USD ($) shares	Jun. 30, 2025 $ / shares shares	Dec. 31, 2021	Jun. 30, 2026 USD ($) shares
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Granted (in shares)		0		0
Weighted-average grant date fair value of awards (in usd per share) \| $ / shares			$ 0.82		$ 1.17
Stock option exercises (in shares)		0	0	0	0
Share-based compensation expense not yet recognized \| $		$ 2.0		$ 2.0			$ 2.0
2026 Restructuring Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
One-time charge related to modification \| $		$ 0.1		$ 0.7
Shares reserved for issuance under the 2021 Stock Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock option expiration period upon termination				90 days
Share-based compensation not yet recognized, recognition period				1 year 8 months 12 days
Shares reserved for issuance under the 2021 Stock Incentive Plan \| 2026 Restructuring Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock option expiration period				10 years
2021 Stock Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Maximum number of shares to be added annually, as a percentage of outstanding shares (percent)	5.00%
2021 Stock Incentive Plan \| Common stock to be issued upon exercise of the K2HV Loan Agreement conversion feature
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Common stock authorized to be issued (in shares)	477,725
2021 Stock Employee Stock Purchase Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Offering period						6 months
Purchase period						6 months
ESPP purchase price, percent						0.85
Common Stock
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Common stock authorized to be issued (in shares)	3,352,725
Common Stock \| 2021 Stock Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Common stock authorized to be issued (in shares)	2,843,116
Maximum number of shares to be added annually, as a percentage of outstanding shares (in shares)							9,582,699
Common Stock \| 2017 Stock Incentive Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Common stock authorized to be issued (in shares)	31,884
Common Stock \| 2021 Stock Employee Stock Purchase Plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Shares purchased by employees (in shares)				2,249	39,853