Annual report [Section 13 and 15(d), not S-K Item 405]

Income Taxes (Details - Reconciliation of tax rate)

v3.26.1
Income Taxes (Details - Reconciliation of tax rate) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Effective Income Tax Rate Reconciliation [Line Items]    
Expected federal statutory rate $ (717) $ (611)
Expected federal statutory rate, percentage 21.00% 21.00%
State income taxes, net of federal benefit $ 26 $ 3
State income taxes, net of federal benefit, percentage (0.70%) (0.10%)
Other non-taxable and non-deductible expenses $ 3 $ 3
Other non-taxable and non-deductible expenses, percentage (0.10%) (0.10%)
Total $ (24) $ 519
Total effective rate, percentage 0.70% (17.80%)
Total effective rate, percentage 0.70% (17.80%)
Change in valuation allowance $ (220) $ 31
Change in valuation allowance, percentage 6.40% (1.10%)
Provision for income taxes and effective income tax rate $ (244) $ 550
Provision for income taxes and effective income tax rate, percentage 7.10% (18.90%)
Provision for income taxes and effective income tax rate, percentage 7.10% (18.90%)
MEXICO    
Effective Income Tax Rate Reconciliation [Line Items]    
Foreign earnings taxed at different rates $ (370) $ (152)
Foreign earnings taxed at different rates, percentage 10.90% 5.20%
Effect of intercompany interest permanent differences $ 703 $ 738
Effect of intercompany interest permanent differences, percentage (20.70%) (25.30%)
Annual inflation adjustment $ 191 $ 180
Annual inflation adjustment, percentage (5.60%) (6.20%)
Other deferred true-ups $ (22) $ 227
Other deferred true-ups, percentage 0.60% (7.80%)
Other non-taxable and non-deductible expenses $ 33 $ 31
Other non-taxable and non-deductible expenses, percentage (1.00%) (1.10%)
NETHERLANDS    
Effective Income Tax Rate Reconciliation [Line Items]    
Foreign earnings taxed at different rates $ (13) $ (43)
Foreign earnings taxed at different rates, percentage 0.40% 1.50%
Effect of intercompany interest permanent differences $ 141 $ 142
Effect of intercompany interest permanent differences, percentage (4.10%) (4.90%)
Other non-taxable and non-deductible expenses $ 1 $ 1
Other non-taxable and non-deductible expenses, percentage (0.00%) (0.00%)