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Note 11 - Stock-based Compensation (Details Textual) - USD ($) | 9 Months Ended
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Mar. 31, 2026 | Mar. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) |  | 0
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ 23,999,523 |
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% | 20.00%
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) | 3,441,565 |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ 16,764,612 |
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% | 0.00%
Restricted Stock [Member] |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ 564,425 |
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] |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ 6,670,486 |
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 |
2014 ESPP [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) | 2,632,750 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Discount from Market Price | $ 2,500 | $ 1,500
Share-Based Compensation Arrangement by Share-Based Payment Award, Discount from Market Price, Purchase Date | 10.00% |

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- Definition Discount from fair value on purchase date that participants pay for shares. + References No definition available. + Details
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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 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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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 Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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