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Note 15 - Equity Incentive Plans (Tables) | 9 Months Ended
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Mar. 31, 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 June 30, 2023 |  |  | 52,762 |  |  | $ | 18.37 |  |  |  | 9.06 |
Granted |  |  | 113,500 |  |  | $ | 1.74 |  |  |  | 9.38 |
Forfeited/cancelled |  |  | (18,859 | ) |  | $ | 3.30 |  |  |  | — |
Expired |  |  | (702 | ) |  | $ | 186.18 |  |  |  | — |
Outstanding at March 31, 2024 |  |  | 146,701 |  |  | $ | 6.32 |  |  |  | 9.06 |
Exercisable at March 31, 2024 |  |  | 21,817 |  |  | $ | 29.80 |  |  |  | 8.15 |
Nonvested Restricted Stock Shares Activity [Table Text Block] |
|  |  |  |  |  | Weighted |
|  |  |  |  |  | Average Grant |
|  | Number of |  |  | Date Fair |
|  | Shares |  |  | Value |
Unvested at June 30, 2023 |  |  | 38,075 |  |  | $ | 142.20 |
Granted |  |  | 12,500 |  |  | $ | 1.77 |
Vested |  |  | (19,892 | ) |  | $ | 114.09 |
Forfeited/cancelled |  |  | (457 | ) |  | $ | 136.80 |
Unvested at March 31, 2024 |  |  | 30,226 |  |  | $ | 102.70 |
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] |
|  |  |  |  |  | Weighted |
|  |  |  |  |  | Average Grant |
|  | Number of |  |  | Date Fair |
|  | Shares |  |  | Value |
Unvested at June 30, 2023 |  |  | 4,963 |  |  | $ | 25.62 |
Vested |  |  | (1,688 | ) |  | $ | 24.28 |
Forfeited |  |  | (939 | ) |  | $ | 31.60 |
Unvested at March 31, 2024 |  |  | 2,336 |  |  | $ | 24.17 |
Share-Based Payment Arrangement, Cost by Plan [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | March 31, |  |  | March 31, |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
|  | (in thousands) |
Cost of sales |  | $ | — |  |  | $ | 4 |  |  | $ | 1 |  |  | $ | 12 |
Research and development |  |  | 2 |  |  |  | 2 |  |  |  | 5 |  |  |  | 25 |
Selling and marketing |  |  | — |  |  |  | 3 |  |  |  | — |  |  |  | 9 |
General and administrative |  |  | 809 |  |  |  | 893 |  |  |  | 2,555 |  |  |  | 5,100 |
Total stock-based compensation expense |  | $ | 811 |  |  | $ | 902 |  |  | $ | 2,561 |  |  | $ | 5,146 |

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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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