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Note 2 - Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Jun. 30, 2025
Notes Tables |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  | Accounts |
|  | Receivable, |
|  | Gross |
|  | (in thousands) |
Balance, June 30, 2023 |  | $ | 31,718 |
Decrease in accounts receivable, gross |  |  | (6,370 | )
Balance, June 30, 2024 |  |  | 25,348 |
Increase in accounts receivable, gross |  |  | 6,995 |
Balance, June 30, 2025 |  | $ | 32,343 |
Accounts Receivable, Allowance for Credit Loss [Table Text Block] |
|  | Allowance for |  |  | Allowance for |  |  | Total |
|  | Discounts |  |  | Chargebacks |  |  | Allowance |
|  | (in thousands) |
Balances, June 30, 2023 |  | $ | 1,778 |  |  | $ | 1,212 |  |  | $ | 2,990 |
Reduction of net revenue |  |  | 4,886 |  |  |  | 3,812 |  |  |  | 8,698 |
Payments |  |  | (6,024 | ) |  |  | (3,842 | ) |  |  | (9,866 | )
Balances, June 30, 2024 |  |  | 640 |  |  |  | 1,182 |  |  |  | 1,822 |
Reduction of net revenue |  |  | 3,940 |  |  |  | 2,782 |  |  |  | 6,722 |
Payments |  |  | (4,112 | ) |  |  | (3,244 | ) |  |  | (7,356 | )
Balances, June 30, 2025 |  | $ | 468 |  |  | $ | 720 |  |  | $ | 1,188 |
Schedules of Concentration of Risk, by Risk Factor [Table Text Block] |
|  | Percentage of |  |  | Percentage of |
|  | Gross Revenue |  |  | Gross Accounts Receivable |
|  | Year Ended June 30, |  |  | June 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Customer A |  |  | 26 | % |  |  | 33 | % |  |  | 35 | % |  |  | 40 | %
Customer B |  |  | 27 | % |  |  | 9 | % |  |  | 25 | % |  |  | 9 | %
Customer C |  |  | 16 | % |  |  | 20 | % |  |  | 15 | % |  |  | 29 | %
Customer D |  |  | 16 | % |  |  | 17 | % |  |  | 14 | % |  |  | 11 | %
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] |
|  |  | June 30, |
|  |  | 2025 |  |  | 2024 |
Warrants to purchase common stock - liability classified | (Note 16) |  |  | 3,821,115 |  |  |  | 3,821,115 |
Warrants to purchase common stock - equity classified | (Note 16) |  |  | 15,571 |  |  |  | 18,114 |
Prefunded warrants to purchase common stock - liability classified | (Note 16) |  |  | 10,293,983 |  |  |  | 2,236,651 |
Outstanding stock options | (Note 15) |  |  | 211,618 |  |  |  | 146,539 |
Unvested restricted stock | (Note 15) |  |  | 32,916 |  |  |  | 25,360 |
Unvested restricted stock units | (Note 15) |  |  | — |  |  |  | 1,775 |
Total |  |  |  | 14,375,203 |  |  |  | 6,249,554 |

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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