Note 11 - Stock-based Compensation (Details Textual)	3 Months Ended
Sep. 30, 2026 USD ($) shares
Share-Based Payment Arrangement, Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)	10 years
Share-based Compensation Arrangement by Share-based Payment Award, Forfeiture Rate	20.00%
Share-Based Payment Arrangement, Option [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	2 years
Share-Based Payment Arrangement, Option [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	4 years
Restricted Stock Awards and Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Forfeiture Rate	0.00%
Restricted Stock [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	1 year
Restricted Stock [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	3 years
Restricted Stock Units (RSUs) [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	1 year
Restricted Stock Units (RSUs) [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	4 years
SICP 2002 Omnibus Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)	13,715,625
SICP 2018 Omnibus Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)	2,033,188
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount \| $	$ 21,400,000
2014 ESPP [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Employee Subscription Rate	15.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent	85.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Value of Shares Per Employee \| $	$ 25,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Discount from Market Price \| $	$ 6,600
2014 ESPP [Member] \| Within Twelve Months [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Number of Shares Per Employee (in shares)	8,000
2014 ESPP [Member] \| Within Six Months [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Number of Shares Per Employee (in shares)	4,000

Discount from fair value on purchase date that participants pay for shares.

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- Definition

The forfeiture rate of in the share-based payment compensation arrangement.

+ References

No definition available.

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- Definition

The highest value of shares an employee can purchase under the plan per period.

+ References

No definition available.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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- Definition

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.

+ References

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- Definition

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

+ References

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- Definition

The highest quantity of shares an employee can purchase under the plan per period.

+ References

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- Definition

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

+ References

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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.

+ References

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- Definition

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

+ References

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