Quarterly report [Sections 13 or 15(d)]

Basis of Presentation and Summary of Significant Accounting Policies (Details - Allowance for credit losses)

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Basis of Presentation and Summary of Significant Accounting Policies (Details - Allowance for credit losses) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Accounting Policies [Abstract]    
Allowance credit losses, at beginning $ 3 $ 239
Charged to costs and expenses 3 179
Recoveries   (39)
Write-offs   (376)
Allowance credit losses, at ending $ 6 $ 3