v3.26.1
Income Taxes (Details Narrative) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Operating Loss Carryforwards [Line Items]      
Operating Income (Loss) $ (51,124,000) $ (61,041,000)  
Provision or benefit for income taxes 0 0  
Operating loss carryforwards 59,350,000 49,953,000  
Capital loss carryforward $ 7,675,000 5,372,000  
Capital loss carryforward expiration term 2028    
Research and development credit carryforwards $ 2,494,000 1,951,000  
Changes in valuation allowances 15,200,000 (2,900,000)  
Unrecognized tax benefits 1,629,000 1,087,000 $ 2,296,000
Income tax examination, penalties and interest expense $ 0 0  
Other information pertaining to income taxes Internal Revenue Code Section 382 places a limitation (“Section 382 Limitation”) on the amount of taxable income that can be offset by NOL carryforwards after a change in control (generally greater than 50% change in ownership within a three-year period) of a loss corporation.    
Income taxes paid, net of refunds received $ 0 0  
Domestic Tax Authority [Member]      
Operating Loss Carryforwards [Line Items]      
Income from continuing operations 50,200,000 60,700,000  
Operating loss carryforwards 240,600,000    
Capital loss carryforward 25,700,000    
Research and development credit carryforwards $ 871,000    
Domestic Tax Authority [Member] | Research and Development Expense [Member]      
Operating Loss Carryforwards [Line Items]      
Credit carryforward expiration term 2045    
Foreign Tax Authority [Member]      
Operating Loss Carryforwards [Line Items]      
Operating Income (Loss) $ 16,000 $ 37,000  
State and Local Jurisdiction [Member]      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards $ 112,400,000    
Operating loss carryforwards expiration period between 2029 and 2045    
Capital loss carryforward $ 25,700,000    
Research and development credit carryforwards $ 3,300,000