v3.25.4
Income Taxes (Details 3) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income Tax Reconciliation [Line Items]      
Federal statutory income tax rate percent   21.00% 21.00%
State and local income taxes, net of federal income tax effect percent   1.90% 1.90%
Change in valuation allowance percent   (36.10%) (36.50%)
Stock-based compensation percent   (1.90%) (2.50%)
Officers compensation   (3.40%) (7.40%)
Research and development credits   24.00% 20.00%
Uncertain tax position   (3.70%) (2.40%)
Change in tax rate   (1.40%) 0.20%
Other percent   (0.20%) (0.30%)
Permanent differences   (0.20%) (0.70%)
Provision for income taxes   0.00% (6.70%)
Provision for income taxes   $ (4,000) $ 1,835,000
ASU 2023-09 [Member]      
Income Tax Reconciliation [Line Items]      
U.S. federal statutory rate $ (13,814)    
Federal statutory income tax rate percent 21.00%    
State and local income taxes, net of federal income tax effect [1] $ (69)    
State and local income taxes, net of federal income tax effect percent 0.10%    
Effects of cross-border tax laws - Global intangible low-tax income $ 4,501    
Effects of cross-border tax laws - Global intangible low-tax income percent (6.80%)    
Tax credits - research and development credits $ (1,587)    
Tax credits - research and development credits percent 2.40%    
Changes in valuation allowance $ 6,189    
Change in valuation allowance percent (9.40%)    
Stock-based compensation $ 2,946    
Stock-based compensation percent (4.50%)    
Limitations on the deductibility of officer compensation $ 1,533    
Limitations on the deductibility of officer compensation percent (2.30%)    
Other $ 137    
Other percent (0.20%)    
Changes in unrecognized tax benefits $ 143    
Changes in unrecognized tax benefits percent (0.40%)    
Other $ 21    
Other percent 0.10%    
Provision for income taxes 0.00%    
Provision for income taxes $ 0    
[1]

(1) State tax expense in the State of California comprises the majority (greater than 50 percent) of the tax effect in this category.