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Note 17 - Income Taxes - Reconciliation Between U.S. Federal Statutory Rate and Effective Rate (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Statutory federal income tax rate |  | $ (1,954) |  |  |
Statutory federal income tax rate |  | 21.00% |  | 21.00% | 21.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount | [1] | $ 207 |  |  |
State tax expense, net of federal provision** |  | (2.20%) | [1] | (52.20%) | 9.50%
Stock-based compensation |  | (11.70%) |  | (17.20%) | 11.80%
Section 162(m) limitation |  | (6.50%) |  | (30.10%) | 28.30%
Change in tax rates and state apportionment |  |  |  | 10.40% | 0.00%
Global intangible low-taxed income, net |  | $ 371 |  |  |
Federal, state and foreign tax credits |  |  |  | 22.50% | (23.10%)
Global intangible low-taxed income, net |  | (4.00%) |  |  |
Change in valuation allowance |  | 0.10% |  | (157.30%) | 173.00%
Research and development tax credits |  | $ (416) |  |  |
Research and development tax credits |  | 4.50% |  |  |
Return to provision adjustments |  | (6.40%) |  | 5.50% | (3.60%)
Change in valuation allowance |  | $ (13) |  |  |
Tax reserves |  |  |  | (20.90%) | 0.00%
Stock-based compensation |  | 1,092 |  |  |
Other permanent items |  |  |  | (1.10%) | (7.90%)
Section 162(m) limitation |  | $ 616 |  |  |
Effective income tax rate |  | (7.10%) |  | (219.40%) | 209.00%
Other |  | $ 43 |  |  |
Other |  | (0.50%) |  |  |
Return to provision adjustments |  | $ 591 |  |  |
Other |  | $ (124) |  |  |
Other |  | 1.40% |  |  |
Total provision for income taxes |  | $ 672 |  | $ 6,064 | $ 6,595
Foreign Tax Jurisdiction [Member] | Ministry of Economic Affairs and Finance, Italy [Member] |  |  |  |  |
Italy |  | $ 196 |  |  |
Italy |  | (2.10%) |  |  |
Foreign Tax Jurisdiction [Member] | All Foreign Countries Other Than Italy [Member] |  |  |  |  |
Italy |  | $ 63 |  |  |
Italy |  | (0.70%) |  |  |
[1] | **State taxes in Indiana, Massachusetts and Kentucky made up the majority (greater than 50 percent) of the tax effect in this category.

X
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to change in state apportionment. + References No definition available. + Details
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- Definition The amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) of section 162(m) limitation computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. + References No definition available. + Details
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- Definition Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) of section 162(m) limitation computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. + References No definition available. + Details
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 231 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231 + Details
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