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Supplementary Balance Sheet Information - Schedule of Accrued Compensation (Details) - USD ($)
Dec. 31, 2024
Dec. 31, 2023
Disclosure Text Block Supplement [Abstract]    
Vacation $ 652,000 $ 804,000
Employee benefits 182,000 724,000
401K payable 297,000 215,000
Salaries and Wages 269,000 113,000
Statutory liabilities Current 148 0
Other 65,000 82,000
Total accrued compensation $ 1,613,000 $ 1,938,000