v3.26.1
Summary of Significant Accounting Policies (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Summary of Significant Accounting Policies [Line Items]              
Customer deposits $ 3,464,000       $ 3,464,000   $ 391,000
Recognized revenue 51,000   $ 142,000   151,000 $ 673,000  
Backlog relating to remaining performance obligations 139,700,000       139,700,000    
Stock-based compensation expense for employees 45,000 $ 950,000 157,000 $ 435,000      
Stock-based compensation for directors 14,000 $ 14,000 39,000 $ 39,000      
Stock-Based compensation forfeiture adjustment 125,000   0   125,000 0  
Share-Based Payment Arrangement, Employee [Member]              
Summary of Significant Accounting Policies [Line Items]              
Stock-based compensation expense for employees 37,000   157,000   572,000 592,000  
Director [Member]              
Summary of Significant Accounting Policies [Line Items]              
Stock-based compensation for directors $ 22,000   $ 39,000   $ 451,000 $ 78,000