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Income Taxes (Details Narrative) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Effective Income Tax Rate Reconciliation [Line Items]      
Federal statutory income tax rate 21.00% 21.00%  
Cash income taxes paid $ 17 $ 14  
Research and development credits carryforwards 928 931  
Valuation allowance 4,800 5,500  
Unrecognized Tax Benefits 2,364 $ 1,799 $ 1,517
Prior December 2017 [Member]      
Effective Income Tax Rate Reconciliation [Line Items]      
Operating loss carryforwards 8,000    
After December 2017 [Member]      
Effective Income Tax Rate Reconciliation [Line Items]      
Operating loss carryforwards 81,200    
Domestic Tax Jurisdiction [Member]      
Effective Income Tax Rate Reconciliation [Line Items]      
Operating loss carryforwards 89,200    
Research and development credits carryforwards 1,400    
State and Local Jurisdiction [Member]      
Effective Income Tax Rate Reconciliation [Line Items]      
Operating loss carryforwards 106,200    
Research and development credits carryforwards $ 1,300