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Note 8 - Stockholders' Equity (Details Textual) shares in Thousands	3 Months Ended
	Jun. 30, 2024 $ / shares shares
The FY25 PSUs [Member] | Eligible Employees [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)	41
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized for Service and Company Financial Performance Conditions (in shares)	23
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value, Shares Subject to Service and Company Performance (in dollars per share) | $ / shares	$ 89.82
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized, Subject to Service and Market Conditions (in shares)	18
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value, Subject to Service and Market Conditions (in dollars per share) | $ / shares	$ 119.54
The FY25 PSUs [Member] | Eligible Employees [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award Number of Shares Issued Upon Vesting, Percentage	0.00%
The FY25 PSUs [Member] | Eligible Employees [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award Number of Shares Issued Upon Vesting, Percentage	200.00%
The 2021 Equity Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)	660

X

- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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), for shares subject to service and company financial performance.

+ References

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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), subjected to service and market conditions.

+ References

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+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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