v3.26.1
Income Taxes (Details - Reconciliation) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Operating Loss Carryforwards [Line Items]    
Tax Jurisdiction of Domicile [Extensible Enumeration] Income Tax Jurisdiction, Domestic Federal [Member] Income Tax Jurisdiction, Domestic Federal [Member]
Statutory federal provision (benefit) for income taxes $ (820) $ (2,439)
Provision at U.S. federal statutory rate, percentage 21.00%  
State taxes $ (90) 28
State and local income taxes, net of federal income tax effect, percentage 2.30%  
Foreign tax rate variances $ 76 (72)
Changes in unrecognized tax benefits, percentage (1.90%)  
Change in valuation allowance $ (380) 1,271
Change in state tax rate   308
Global intangible low-tax income inclusion   143
Change in valuation allowance, percentage 9.70%  
Effects of cross-border tax laws $ 3  
Effects of cross-border tax laws, percentage (0.10%)  
Nondeductible compensation $ 120  
Nondeductible compensation, percentage (3.10%)  
Stock options $ (77) 568
Other permanent differences   218
Expiration of R&D Credits   839
Uncertain tax position   (1,211)
Stock compensation, percentage 2.00%  
Translation loss $ (84)  
Translation loss, percentage 2.20%  
Nondeductible meals & entertainment $ 34  
Nondeductible meals & entertainment, percentage (0.90%)  
Tax Credits $ 0  
Tax Credits, percentage 0.00%  
Effects of changes in tax laws or rateh enacted in the current period $ 0  
Effects of changes in tax laws or rateh enacted in the current period, percentage 0.00%  
Expiration of net operating loss $ 1,348  
Expiration of net operating loss, percentage (34.50%)  
Prior year adjustments $ (42)  
Prior year adjustments, percentage 1.10%  
Other $ (22) 108
Other adjustments, percentage 0.60%  
Provision for (benefit from) income taxes $ 279 $ (239)
Global effective tax rate, percentage (7.20%)  
India [Member]    
Operating Loss Carryforwards [Line Items]    
Foreign tax rate variances $ 138  
Changes in unrecognized tax benefits, percentage (3.50%)  
Germany [Member]    
Operating Loss Carryforwards [Line Items]    
Foreign tax rate variances $ 33  
Changes in unrecognized tax benefits, percentage (0.80%)  
Taiwan [Member]    
Operating Loss Carryforwards [Line Items]    
Foreign tax rate variances $ 18  
Changes in unrecognized tax benefits, percentage (0.50%)  
Canada [Member]    
Operating Loss Carryforwards [Line Items]    
Foreign tax rate variances $ 3  
Changes in unrecognized tax benefits, percentage (0.10%)  
Foreign Tax Effects, Net operating loss $ 626  
Foreign Tax Effects, Net operating loss, percentage (16.00%)  
Change in valuation allowance $ (626)  
Change in valuation allowance, percentage 16.00%  
Income Tax Jurisdiction, Foreign, Other [Member]    
Operating Loss Carryforwards [Line Items]    
Foreign tax rate variances $ 21  
Changes in unrecognized tax benefits, percentage (0.50%)