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Note 7 - Income Taxes - Reconciliation of Reported Income Tax Provision (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Income tax at U.S. federal statutory tax rate | $ (119) | $ 130
Income tax at U.S. federal statutory tax rate, percent | 21.00% | 21.00%
Section 162(m) limitation | $ 0 | $ 58
Section 162(m) limitation, percent | 0.00% | 9.40%
Stock-based compensation | $ 24 | $ 26
Stock-based compensation, percent | (4.20%) | 4.20%
Other | $ 3 | $ 3
Other, percent | (0.50%) | 0.50%
Subpart F inclusion | $ 78 | $ 43
Subpart F inclusion, percent | (13.80%) | 6.90%
U.S. foreign income inclusions | $ 0 | $ (18)
U.S. foreign income inclusions, percent | 0.00% | (2.90%)
Domestic state and local income taxes, net of federal effect | $ 9 | $ 10
Domestic state and local income taxes, net of federal effect, percent | (1.60%) | 1.60%
Income tax provision, total | $ 315 | $ 48
Income tax provision, percent | (55.60%) | 7.70%
CAYMAN ISLANDS |  |
Rate differential | $ (143) | $ (348)
Rate differential, percent | 25.20% | (56.10%)
HONG KONG |  |
Rate differential | $ (43) | $ (34)
Rate differential, percent | 7.60% | (5.50%)
Nontaxable and nondeductible items | $ 4 | $ (18)
Nontaxable and nondeductible items, percent | (0.70%) | (2.90%)
CHINA |  |
Rate differential | $ 70 | $ (5)
Rate differential, percent | (12.30%) | (0.80%)
Change in tax rate | $ 89 | $ 0
Change in tax rate, percent | (15.70%) | 0.00%
Net operating loss expiration | $ 86 | $ 0
Net operating loss expiration, percent | (15.20%) | 0.00%
Change in valuation allowance | $ 45 | $ 5
Change in valuation allowance, percent | (7.90%) | 0.80%
PERU |  |
Rate differential | $ (1) | $ (9)
Rate differential, percent | 0.20% | (1.50%)
Nontaxable and nondeductible items | $ 28 | $ 73
Nontaxable and nondeductible items, percent | (4.90%) | 11.80%
CANADA |  |
Rate differential | $ (26) | $ (37)
Rate differential, percent | 4.60% | (6.00%)
Nontaxable and nondeductible items | $ 93 | $ 113
Nontaxable and nondeductible items, percent | (16.40%) | 18.20%
Change in valuation allowance | $ (13) | $ 0
Change in valuation allowance, percent | 2.30% | 0.00%
JAPAN |  |
Rate differential | $ 0 | $ 12
Rate differential, percent | 0.00% | 1.90%
ITALY |  |
Rate differential | $ (18) | $ (9)
Rate differential, percent | 3.20% | (1.50%)
INDIA |  |
Rate differential | $ (13) | $ (10)
Rate differential, percent | 2.30% | (1.60%)
Change in valuation allowance | $ 42 | $ 32
Change in valuation allowance, percent | (7.40%) | 5.20%
COLOMBIA |  |
Rate differential | $ (38) | $ (8)
Rate differential, percent | 6.70% | (1.30%)
Change in valuation allowance | $ 95 | $ 30
Change in valuation allowance, percent | (16.80%) | 4.80%
BOLIVIA |  |
Rate differential | $ (22) | $ 8
Rate differential, percent | 3.90% | 1.30%
RUSSIAN FEDERATION |  |
Rate differential | $ 100 | $ 0
Rate differential, percent | (17.60%) | 0.00%
Other Foreign Countries [Member] |  |
Rate differential | $ (15) | $ 1
Rate differential, percent | 2.60% | 0.20%

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