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Note 15 - Equity Incentive Plans (Tables) | 3 Months Ended
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Sep. 30, 2024
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 |
Forfeited/cancelled |  |  | (5,100 | ) |  | $ | 4.18 |  |  |  | — |
Outstanding at September 30, 2024 |  |  | 141,439 |  |  | $ | 6.25 |  |  |  | 8.6 |
Exercisable at September 30, 2024 |  |  | 63,059 |  |  | $ | 11.32 |  |  |  | 8.4 |
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 |
Vested |  |  | (5,924 | ) |  | $ | 16.84 |
Unvested at September 30, 2024 |  |  | 18,181 |  |  | $ | 127.54 |
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 |  |  | (564 | ) |  | $ | 24.29 |
Unvested at September 30, 2024 |  |  | 1,211 |  |  | $ | 24.07 |
Share-Based Payment Arrangement, Cost by Plan [Table Text Block] |
|  | Three Months Ended |
|  | September 30, |
|  | 2024 |  |  | 2023 |
|  | (in thousands) |
Cost of sales |  | $ | 1 |  |  | $ | — |
Research and development |  |  | 2 |  |  |  | 1 |
Selling and marketing |  |  | 32 |  |  |  | — |
General and administrative |  |  | 138 |  |  |  | 724 |
Net income (loss) from discontinued operations, net of tax |  |  | — |  |  |  | 205 |
Total stock-based compensation expense |  | $ | 173 |  |  | $ | 930 |

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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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