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Represents predetermined performance achievement as a percentage.

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Represents the increase in the number of shares available for grant under the plan as a percentage of common stock issued and outstanding as of the immediately preceding fiscal year end date.

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Duration of award service period under share-based compensation arrangement.

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Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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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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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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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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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Number of shares issued for nonredeemable preferred shares and preferred shares redeemable solely at option of issuer. Includes, but is not limited to, preferred shares issued, repurchased, and held as treasury shares. Excludes preferred shares classified as debt.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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

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

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

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Note 5 - Stockholders' Equity (Details Textual) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
	Mar. 31, 2025 shares	Jun. 30, 2025 USD ($) Milestone $ / shares shares	Dec. 31, 2024 USD ($) $ / shares shares	Apr. 16, 2019 shares
Equity [Line Items]
Preferred Stock, Shares Authorized (in shares)		5,000,000	5,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares		$ 0.0001	$ 0.0001
Preferred Stock, Shares Issued (in shares)		0	0
Common Stock, Shares Authorized (in shares)		500,000,000	500,000,000
Common Stock, Shares, Issued (in shares)		26,777,198	26,529,402
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares		$ 0.0001	$ 0.0001
Additional Paid in Capital \| $		$ 509.2	$ 493.7
Number of Stock Price Milestones Achieved \| Milestone		4
Number Of Additional Stock Price Milestones Achieved \| Milestone		2
Issuance of common stock via employee stock purchase plan (in shares)		6,310
Treasury Stock, Shares, Acquired (in shares)	0
Preferred Stock, Shares Outstanding (in shares)		0	0
Common Stock, Shares, Outstanding (in shares)		26,777,198	26,529,402
Employee Stock Option [Member]
Equity [Line Items]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)		3 months 18 days
Employee Stock Option [Member] \| Share-Based Payment Arrangement, Tranche One [Member] \| Minimum [Member]
Equity [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)		2 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage		25.00%
Employee Stock Option [Member] \| Share-Based Payment Arrangement, Tranche One [Member] \| Maximum [Member]
Equity [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)		4 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage		50.00%
Restricted Stock Units (RSUs) [Member]
Equity [Line Items]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)		1 year 9 months 18 days
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount \| $		$ 22.2
Restricted Stock Units (RSUs) [Member] \| Minimum [Member]
Equity [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)		1 year
Restricted Stock Units (RSUs) [Member] \| Maximum [Member]
Equity [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)		5 years
Performance Shares [Member]
Equity [Line Items]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)		1 year 4 months 24 days
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount \| $		$ 13.0
Predetermined Performance Achievement, Percentage		100.00%
Performance Shares [Member] \| Share-Based Payment Arrangement, Tranche One [Member]
Equity [Line Items]
Number of Days, Achievement of Milestone Stock Price \| Milestone		30
Share-based Compensation Arrangement by Share-based Payment Award, Award Service Period (Year)		5 years
Performance Shares [Member] \| Share-Based Payment Arrangement, Tranche Two [Member]
Equity [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Service Period (Year)			3 years
Employee Stock [Member]
Equity [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)				240,000
Share-based Compensation Arrangement by Share-based Payment Award, Shares Available for Issuance, Authorized Annual Increase, Maximum (in shares)				240,000
Equity Incentive Plan 2019 [Member]
Equity [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)		4,225,816		2,400,000
Share Based Compensation Arrangement By Share Based Payment Award Percentage, Number of Additional Shares Available for Grant				3.00%