Annual report [Section 13 and 15(d), not S-K Item 405]

Income Taxes - Narrative (Details)

v3.26.1
Income Taxes - Narrative (Details) - USD ($)
 12 Months Ended
Jul. 04, 2025
Dec. 31, 2025
Dec. 31, 2024
Income Tax Examination [Line Items]      
Loss before income taxes   $ 11,420,000 $ 10,275,000
State income tax (benefit), net of federal benefit   395,000 464,000
Income taxes paid   25,000 14,000
Valuation allowance   68,945,000 67,072,000
Accrual for interest and penalties on unrecognized tax benefits   0 0
Interest and/or penalties expense on unrecognized tax benefits   0 $ 0
One time accelerated amortization deduction amount $ 15,900,000    
Domestic Tax Authority      
Income Tax Examination [Line Items]      
Operating loss carryforwards   276,400,000  
Net operating losses subject to expiration   85,700,000  
Domestic Tax Authority | Research Tax Credit Carryforward      
Income Tax Examination [Line Items]      
Tax credit carryforward   2,300,000  
State and Local Jurisdiction      
Income Tax Examination [Line Items]      
Operating loss carryforwards   247,800,000  
Net operating losses not subject to expiration   190,700,000  
State and Local Jurisdiction | Research Tax Credit Carryforward      
Income Tax Examination [Line Items]      
Tax credit carryforward   $ 1,200,000