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Note 15 - Equity Incentive Plans (Tables) | 9 Months Ended
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Mar. 31, 2025
Notes Tables |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Weighted |
|  |  |  |  |  |  |  |  |  | Average |
|  |  |  |  |  | Weighted |  |  | Remaining |
|  | Number of |  |  | Average |  |  | Contractual |
|  | Options |  |  | Exercise Price |  |  | Life in Years |
Outstanding at June 30, 2024 |  |  | 146,539 |  |  | $ | 6.18 |  |  |  | 8.8 |
Granted |  |  | 87,500 |  |  | $ | 1.83 |  |  |  | 9.6 |
Forfeited/cancelled |  |  | (11,906 | ) |  | $ | 1.84 |  |  |  | — |
Expired |  |  | (2,889 | ) |  | $ | 17.21 |  |  |  | — |
Outstanding at March 31, 2025 |  |  | 219,244 |  |  | $ | 4.53 |  |  |  | 8.3 |
Exercisable at March 31, 2025 |  |  | 93,425 |  |  | $ | 8.05 |  |  |  | 8.0 |
Nonvested Restricted Stock Shares Activity [Table Text Block] |
|  |  |  |  |  | Weighted |
|  |  |  |  |  | Average Grant |
|  | Number of |  |  | Date Fair |
|  | Shares |  |  | Value |
Unvested at June 30, 2024 |  |  | 24,105 |  |  | $ | 100.34 |
Granted |  |  | 20,000 |  |  | $ | 1.79 |
Vested |  |  | (9,577 | ) |  | $ | 15.97 |
Unvested at March 31, 2025 |  |  | 34,528 |  |  | $ | 66.66 |
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] |
|  |  |  |  |  | Weighted |
|  |  |  |  |  | Average Grant |
|  | Number of |  |  | Date Fair |
|  | Shares |  |  | Value |
Unvested at June 30, 2024 |  |  | 1,775 |  |  | $ | 24.14 |
Vested |  |  | (1,524 | ) |  | $ | 24.47 |
Forfeited |  |  | (167 | ) |  | $ | 26.20 |
Unvested at March 31, 2025 |  |  | 84 |  |  | $ | 21.20 |
Share-Based Payment Arrangement, Cost by Plan [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | March 31, |  |  | March 31, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
|  | (in thousands) |
Cost of sales |  | $ | — |  |  | $ | — |  |  | $ | 1 |  |  | $ | 1 |
Research and development |  |  | 8 |  |  |  | 2 |  |  |  | 11 |  |  |  | 5 |
Selling and marketing |  |  | 11 |  |  |  | — |  |  |  | 57 |  |  |  | — |
General and administrative |  |  | 120 |  |  |  | 697 |  |  |  | 394 |  |  |  | 2,125 |
Net income (loss) from discontinued operations, net of tax |  |  | — |  |  |  | 112 |  |  |  | — |  |  |  | 430 |
Total stock-based compensation expense |  | $ | 139 |  |  | $ | 811 |  |  | $ | 463 |  |  | $ | 2,561 |

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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