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Employee Stock Purchase Plan, Enrollment Period

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Number of shares awarded per share under stock value less than specific percentage of fair market value.

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Share-based compensation, number of plans.

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Share-based Compensation Arrangement By Share-based Payment Award, Shares Removed From Available Share Pool, Per Share

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Share-based Compensation Arrangement By Share-based Payment Award, Stock Plan Offering Period

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Stock available for future purchase under employee stock purchase plans.

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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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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.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

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

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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

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Gross number of share options (or share units) granted during the period.

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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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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Purchase price of common stock expressed as a percentage of its fair value.

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

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

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Stock Plans and Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025 USD ($) shares	Jun. 30, 2024 shares	Jun. 30, 2025 USD ($) plan purchase_period $ / shares shares	Jun. 30, 2024 $ / shares shares
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Number of shareholder-approved, share-based compensation plans \| plan			2
Number of options granted (in shares)			1,388,400
Weighted average grant-date fair values of stock options (in dollars per share) \| $ / shares			$ 2.13	$ 9.71
Unrecognized compensation cost, net of estimated forfeitures \| $	$ 6.0		$ 6.0
Unrecognized compensation cost, weighted average period for recognition			2 years 7 months 6 days
Exercise of stock options (in shares)			0
Amended and Restated 2010 Stock Incentive Plan
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Shares authorized (in shares)	3,356,600		3,356,600
Period of time options are exercisable			10 years
Number of shares under award to be removed from share pool			707,694
2010 Plan
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Number of options granted (in shares)			1,108,400
Employee Stock Purchase Plan
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Issuance of stock under ESPP (in shares)	36,649	11,307,000	36,649	11,307,000
Stock Options
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Vesting period (years)			4 years
Awarded (in shares)			200,000
Stock Options \| Amended and Restated 2010 Stock Incentive Plan
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Common stock, additional capital shares reserved for future issuance (in shares)	1,255,000		1,255,000
Stock Options \| 2010 Plan \| Non-Employee Directors
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Number of options granted (in shares)			80,000
Vesting period (years)			1 year
Stock Options \| 2010 Plan \| Tranche One
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Percentage of vested shares which are exercisable under stock option	25.00%		25.00%
Stock Options \| 2010 Plan \| Tranche Two
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Percentage of vested shares which are exercisable under stock option	6.25%		6.25%
Stock Options, or Stock Appreciation Rights \| Amended and Restated 2010 Stock Incentive Plan
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Shares removed from pool (in shares per share)			1
Restricted Stock, RSUs, Other Stock-Based Awards, or Performance Awards \| Amended and Restated 2010 Stock Incentive Plan
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Shares removed from pool (in shares per share)			1.3
Price charged for award based on fair market value percentage (less than)			100.00%
Restricted Stock Units (RSUs)
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Vesting period (years)			4 years
Awarded (in shares)			350,600
Unrecognized compensation cost, weighted average period for recognition			3 years 7 months 6 days
Compensation expense related to employee and director stock option grants \| $	$ 0.8		$ 0.8
Employee Stock \| Employee Stock Purchase Plan
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Shares authorized (in shares)	500,000		500,000
Price charged for award based on fair market value percentage (less than)			85.00%
Enrollment period			2 years
Number of purchase periods per year \| purchase_period			4
Term of purchase periods			6 months
Shares available for future purchase under ESPP (in shares)	357,814		357,814