Note 14 - Income Taxes (Tables)
|
12 Months Ended |
Mar. 31, 2026 |
| Notes Tables |
|
| Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] |
| | | Fiscal years ended March 31, | |
| | | 2026 | | | 2025 | | | 2024 | |
| Income (loss) from continuing operations before income tax expense (benefit) | | | | | | | | | | | | |
| U.S. | | $ | 18,641 | | | $ | 1,882 | | | $ | (11,503 | ) |
| Foreign | | | (1,893 | ) | | | 484 | | | | 701 | |
| Total | | $ | 16,748 | | | $ | 2,366 | | | $ | (10,802 | ) |
|
| Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
| | | Fiscal years ended March 31, | |
| | | 2026 | | | 2025 | | | 2024 | |
| Current provision | | | | | | | | | | | | |
| Federal | | $ | 36 | | | $ | 305 | | | $ | 150 | |
| State | | | 1,017 | | | | 222 | | | | — | |
| Foreign | | | 569 | | | | 110 | | | | 94 | |
| Total current | | | 1,622 | | | | 637 | | | | 244 | |
| | | | | | | | | | | | | |
| Deferred provision (benefit) | | | | | | | | | | | | |
| Federal | | | (116,947 | ) | | | (4,259 | ) | | | 56 | |
| State | | | (1,418 | ) | | | (13 | ) | | | — | |
| Foreign | | | (318 | ) | | | (32 | ) | | | 9 | |
| Total deferred | | | (118,683 | ) | | | (4,304 | ) | | | 65 | |
| | | | | | | | | | | | | |
| Income tax expense (benefit) | | $ | (117,061 | ) | | $ | (3,667 | ) | | $ | 309 | |
|
| Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
| | | Fiscal year ended March 31, | |
| | | 2026 | |
| U.S. Federal Statutory Income Tax (benefit) at 21% | | | (21.0 | %) |
| Domestic Federal | | | | |
| Tax Credits | | | (0.4 | %) |
| Non Taxable or Non Deductible Items | | | | |
| Stock Compensation | | | 22.6 | % |
| Excess Officer Compensation | | | (30.6 | %) |
| Transaction Costs | | | (1.6 | %) |
| Other | | | 0.6 | % |
| Changes in Valuation Allowance | | | 730.1 | % |
| Cross Border | | | | |
| Global intangible low-tax income | | | (1.5 | %) |
| Other | | | (0.1 | %) |
| Other reconciling items | | | | |
| Other | | | 1.0 | % |
| Domestic State and local income taxes, net of federal effect | | | 3.6 | % |
| Foreign Tax effects | | | | |
| Brazil | | | | |
| Fair value adjustment for Contingent Liability | | | (8.5 | %) |
| Statutory income tax rate differential | | | 2.4 | % |
| Other | | | 1.2 | % |
| Other foreign jurisdictions | | | 1.0 | % |
| Worldwide Changes in unrecognized tax benefits | | | 0.0 | % |
| Effective income tax rate | | | 698.8 | % |
| | | Fiscal years ended March 31, | |
| | | 2025 | | | 2024 | |
| Statutory Federal Income tax rate | | | (21 | %) | | | (21 | %) |
| State income taxes, net of federal benefit | | | 35 | % | | | 7 | % |
| Foreign income tax rate differential | | | 2 | % | | | 2 | % |
| Stock options | | | 54 | % | | | 0 | % |
| Research and development tax credit | | | 0 | % | | | 4 | % |
| Mark to market adjustment on contingent consideration | | | (59 | %) | | | 10 | % |
| Nondeductible expenses | | | (12 | %) | | | 0 | % |
| Valuation allowance | | | 231 | % | | | (60 | %) |
| NOL and capital loss expiration | | | (10 | %) | | | 58 | % |
| Other | | | (4 | %) | | | 4 | % |
| Withholding Taxes | | | (16 | %) | | | 0 | % |
| 162(m) | | | (43 | %) | | | 0 | % |
| Effective income tax rate | | | 157 | % | | | 4 | % |
|
| Schedule of Income Taxes Paid [Table Text Block] |
| | | Fiscal years ended March 31, | |
| | | 2026 | |
| Income taxes paid, net of refunds: | | | | |
| U.S Federal | | $ | 36 | |
| U.S. State and Local | | | | |
| Pennsylvania | | | 425 | |
| Connecticut | | | 77 | |
| Other states | | | 90 | |
| Foreign | | | | |
| Austria | | | 52 | |
| Other foreign | | | 26 | |
| Total | | $ | 706 | |
|
| Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
| | | March 31, 2026 | | | March 31, 2025 | |
| Deferred tax assets: | | | | | | | | |
| Net operating loss carryforwards | | $ | 144,497 | | | $ | 150,703 | |
| Research and development and other tax credit carryforwards | | | 12,163 | | | | 12,605 | |
| Capitalized research and development costs | | | 4,762 | | | | 5,787 | |
| Accruals and reserves | | | 13,695 | | | | 8,148 | |
| Fixed assets and intangible assets | | | 9 | | | | 398 | |
| Other | | | 2,080 | | | | 2,459 | |
| Gross deferred tax assets | | | 177,206 | | | | 180,100 | |
| Valuation allowance | | | (45,005 | ) | | | (171,674 | ) |
| Total deferred tax assets | | | 132,201 | | | | 8,426 | |
| | | | | | | | | |
| Deferred tax liabilities: | | | | | | | | |
| Amortization of fixed assets and intangibles | | | (11,191 | ) | | | (7,127 | ) |
| Other | | | (1,536 | ) | | | (1,716 | ) |
| Total deferred tax liabilities | | | (12,727 | ) | | | (8,843 | ) |
| Net deferred tax assets (liabilities) | | $ | 119,474 | | | $ | (417 | ) |
| | | March 31, 2026 | |
| Deferred tax assets | | | 119,474 | |
| Deferred tax liabilities | | | - | |
| Net deferred tax assets (liabilities) | | | 119,474 | |
|