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Note 7 - Stockholders' Equity - Schedule of Preferred Stock Activity (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 22, 2025
Proceeds from the sale of Series G preferred stock $ 2,250,000 $ 0      
Proceeds from Issuance of Convertible Preferred Stock 2,250,000 0      
November 10, 2025 $ 2,250,000 $ 0      
Conversion of Series F Preferred Stock into Common Stock [Member]          
Converted (in shares) (2,759) (2,410)      
Conversion of Stock, Shares Converted (in shares) 2,759 2,410      
November 10, 2025 (in shares) (2,759) (2,410)      
Conversions of Series G Preferred Stock Into Common Stock [Member]          
Converted (in shares) (7,940) 0      
Conversion of Stock, Shares Converted (in shares) 7,940 0      
November 10, 2025 (in shares) (7,940) 0      
Purchased in 2023 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]          
Converted (in shares) 0 0      
Conversion of Stock, Shares Converted (in shares) (0) (0)      
November 10, 2025 (in shares) 0 0      
Purchased in November 10, 2025 [Member] | Conversions of Series G Preferred Stock Into Common Stock [Member]          
Converted (in shares) (6,190)        
Conversion of Stock, Shares Converted (in shares) 6,190        
November 10, 2025 (in shares) (6,190)        
Purchased March 6, 2024 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]          
Converted (in shares) 0 (335)      
Conversion of Stock, Shares Converted (in shares) (0) 335      
November 10, 2025 (in shares) 0 (335)      
Purchased July 24, 2025 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]          
Converted (in shares) [1] (1,000)        
Conversion of Stock, Shares Converted (in shares) [1] 1,000        
November 10, 2025 (in shares) [1] (1,000)        
Purchased August 27, 2024 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]          
Converted (in shares) [1]   0      
Conversion of Stock, Shares Converted (in shares) [1]   (0)      
November 10, 2025 (in shares) [1]   0      
Purchased October 6, 2025 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]          
Converted (in shares) [1] (640)        
Conversion of Stock, Shares Converted (in shares) [1] 640        
November 10, 2025 (in shares) [1] (640)        
Purchased October 1, 2024 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]          
Converted (in shares) [1]   0      
Conversion of Stock, Shares Converted (in shares) [1]   (0)      
November 10, 2025 (in shares) [1]   0      
Purchased November 24, 2025 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]          
Converted (in shares) [1] (197)        
Conversion of Stock, Shares Converted (in shares) [1] 197        
November 10, 2025 (in shares) [1] (197)        
Purchased December 18, 2024 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]          
Converted (in shares) [1],[2]   0      
Conversion of Stock, Shares Converted (in shares) [1],[2]   (0)      
November 10, 2025 (in shares) [1],[2]   0      
Series F Convertible Preferred Stock [Member]          
Shares issued (in shares) 500        
Convertible price (in dollars per share)         $ 0.9615
Preferred stock, outstanding (in shares) 1,863   4,122    
Stock Issued During Period, Shares, New Issues (in shares) 500        
Preferred Stock, Convertible, Conversion Price (in dollars per share)         0.9615
Preferred Stock, Shares Outstanding (in shares) 1,863   4,122    
November 10, 2025 (in shares) 500        
November 10, 2025 (in dollars per share)         $ 0.9615
November 10, 2025 (in shares) 1,863   4,122    
Series F Convertible Preferred Stock [Member] | Purchased in 2023 [Member]          
Shares issued (in shares) 0 0 1,850 1,850  
Proceeds from the sale of Series G preferred stock     $ 1,850,000 $ 1,850,000  
Net proceeds     $ 1,850,000 $ 1,850,000  
Convertible price (in dollars per share) $ 0.8294 $ 1.1 $ 124.7 $ 124.7  
Preferred stock, outstanding (in shares) 150 150 150 150  
Issuable (in shares) 180,854 136,364      
Stock Issued During Period, Shares, New Issues (in shares) 0 0 1,850 1,850  
Proceeds from Issuance of Convertible Preferred Stock     $ 1,850,000 $ 1,850,000  
November 15, 2023     $ 1,850,000 $ 1,850,000  
Preferred Stock, Convertible, Conversion Price (in dollars per share) $ 0.8294 $ 1.1 $ 124.7 $ 124.7  
Preferred Stock, Shares Outstanding (in shares) 150 150 150 150  
Preferred Stock, Convertible, Shares Issuable (in shares) 180,854 136,364      
November 10, 2025 (in shares) 0 0 1,850 1,850  
November 10, 2025     $ 1,850,000 $ 1,850,000  
November 10, 2025     $ 1,850,000 $ 1,850,000  
November 10, 2025 (in dollars per share) $ 0.8294 $ 1.1 $ 124.7 $ 124.7  
November 10, 2025 (in shares) 150 150 150 150  
November 10, 2025 (in shares) 180,854 136,364      
Series F Convertible Preferred Stock [Member] | Purchased March 6, 2024 [Member]          
Shares issued (in shares) 0 0 1,000 1,000  
Proceeds from the sale of Series G preferred stock     $ 1,000,000 $ 1,000,000  
Net proceeds     $ 950,000 $ 950,000  
Convertible price (in dollars per share) $ 0.8294 $ 1.1 $ 60.29 $ 60.29  
Preferred stock, outstanding (in shares) 100 100 100 435  
Issuable (in shares) 120,569 90,909      
Stock Issued During Period, Shares, New Issues (in shares) 0 0 1,000 1,000  
Proceeds from Issuance of Convertible Preferred Stock     $ 1,000,000 $ 1,000,000  
November 15, 2023     $ 950,000 $ 950,000  
Preferred Stock, Convertible, Conversion Price (in dollars per share) $ 0.8294 $ 1.1 $ 60.29 $ 60.29  
Preferred Stock, Shares Outstanding (in shares) 100 100 100 435  
Preferred Stock, Convertible, Shares Issuable (in shares) 120,569 90,909      
November 10, 2025 (in shares) 0 0 1,000 1,000  
November 10, 2025     $ 1,000,000 $ 1,000,000  
November 10, 2025     $ 950,000 $ 950,000  
November 10, 2025 (in dollars per share) $ 0.8294 $ 1.1 $ 60.29 $ 60.29  
November 10, 2025 (in shares) 100 100 100 435  
November 10, 2025 (in shares) 120,569 90,909      
Series F Convertible Preferred Stock [Member] | Purchased May 31, 2024 [Member]          
Shares issued (in shares) 0 0 [1] 1,050 1,050 [1]  
Proceeds from the sale of Series G preferred stock     $ 1,050,000 $ 1,050,000 [1]  
Net proceeds     $ 1,025,000 $ 1,025,000 [1]  
Convertible price (in dollars per share) $ 0.8294 $ 1.1 [1] $ 32.15 $ 32.15 [1]  
Preferred stock, outstanding (in shares) 135 525 [1] 135 1,050 [1]  
Converted (in shares) 0 (525) [1]      
Issuable (in shares) 162,768 477,273 [1]      
Stock Issued During Period, Shares, New Issues (in shares) 0 0 [1] 1,050 1,050 [1]  
Proceeds from Issuance of Convertible Preferred Stock     $ 1,050,000 $ 1,050,000 [1]  
November 15, 2023     $ 1,025,000 $ 1,025,000 [1]  
Preferred Stock, Convertible, Conversion Price (in dollars per share) $ 0.8294 $ 1.1 [1] $ 32.15 $ 32.15 [1]  
Preferred Stock, Shares Outstanding (in shares) 135 525 [1] 135 1,050 [1]  
Conversion of Stock, Shares Converted (in shares) (0) 525 [1]      
Preferred Stock, Convertible, Shares Issuable (in shares) 162,768 477,273 [1]      
November 10, 2025 (in shares) 0 0 [1] 1,050 1,050 [1]  
November 10, 2025     $ 1,050,000 $ 1,050,000 [1]  
November 10, 2025     $ 1,025,000 $ 1,025,000 [1]  
November 10, 2025 (in dollars per share) $ 0.8294 $ 1.1 [1] $ 32.15 $ 32.15 [1]  
November 10, 2025 (in shares) 135 525 [1] 135 1,050 [1]  
November 10, 2025 (in shares) 0 (525) [1]      
November 10, 2025 (in shares) 162,768 477,273 [1]      
Series F Convertible Preferred Stock [Member] | Purchased April 12, 2024 [Member]          
Shares issued (in shares)   0   1,050  
Proceeds from the sale of Series G preferred stock       $ 1,050,000  
Net proceeds       $ 1,050,000  
Convertible price (in dollars per share)   $ 1.1   $ 37  
Preferred stock, outstanding (in shares)   0   1,050  
Converted (in shares)   (1,050)      
Issuable (in shares)   0      
Stock Issued During Period, Shares, New Issues (in shares)   0   1,050  
Proceeds from Issuance of Convertible Preferred Stock       $ 1,050,000  
November 15, 2023       $ 1,050,000  
Preferred Stock, Convertible, Conversion Price (in dollars per share)   $ 1.1   $ 37  
Preferred Stock, Shares Outstanding (in shares)   0   1,050  
Conversion of Stock, Shares Converted (in shares)   1,050      
Preferred Stock, Convertible, Shares Issuable (in shares)   0      
November 10, 2025 (in shares)   0   1,050  
November 10, 2025       $ 1,050,000  
November 10, 2025       $ 1,050,000  
November 10, 2025 (in dollars per share)   $ 1.1   $ 37  
November 10, 2025 (in shares)   0   1,050  
November 10, 2025 (in shares)   (1,050)      
November 10, 2025 (in shares)   0      
Series F Convertible Preferred Stock [Member] | Purchased July 18, 2025 [Member]          
Shares issued (in shares) [1] 0   1,000    
Proceeds from the sale of Series G preferred stock [1]     $ 1,000,000    
Net proceeds [1]     $ 1,000,000    
Convertible price (in dollars per share) [1] $ 0.8526   $ 1.4    
Preferred stock, outstanding (in shares) [1] 0   422    
Converted (in shares) [1] (422)        
Issuable (in shares) [1] 0        
Stock Issued During Period, Shares, New Issues (in shares) [1] 0   1,000    
Proceeds from Issuance of Convertible Preferred Stock [1]     $ 1,000,000    
November 15, 2023 [1]     $ 1,000,000    
Preferred Stock, Convertible, Conversion Price (in dollars per share) [1] $ 0.8526   $ 1.4    
Preferred Stock, Shares Outstanding (in shares) [1] 0   422    
Conversion of Stock, Shares Converted (in shares) [1] 422        
Preferred Stock, Convertible, Shares Issuable (in shares) [1] 0        
November 10, 2025 (in shares) [1] 0   1,000    
November 10, 2025 [1]     $ 1,000,000    
November 10, 2025 [1]     $ 1,000,000    
November 10, 2025 (in dollars per share) [1] $ 0.8526   $ 1.4    
November 10, 2025 (in shares) [1] 0   422    
November 10, 2025 (in shares) [1] (422)        
November 10, 2025 (in shares) [1] 0        
Series F Convertible Preferred Stock [Member] | Purchased July 21, 2025 [Member]          
Shares issued (in shares) [1] 0   500    
Proceeds from the sale of Series G preferred stock [1]     $ 500,000    
Net proceeds [1]     $ 500,000    
Convertible price (in dollars per share) [1] $ 0.8526   $ 1.4    
Preferred stock, outstanding (in shares) [1] 0   500    
Converted (in shares) [1] (500)        
Issuable (in shares) [1] 0        
Stock Issued During Period, Shares, New Issues (in shares) [1] 0   500    
Proceeds from Issuance of Convertible Preferred Stock [1]     $ 500,000    
November 15, 2023 [1]     $ 500,000    
Preferred Stock, Convertible, Conversion Price (in dollars per share) [1] $ 0.8526   $ 1.4    
Preferred Stock, Shares Outstanding (in shares) [1] 0   500    
Conversion of Stock, Shares Converted (in shares) [1] 500        
Preferred Stock, Convertible, Shares Issuable (in shares) [1] 0        
November 10, 2025 (in shares) [1] 0   500    
November 10, 2025 [1]     $ 500,000    
November 10, 2025 [1]     $ 500,000    
November 10, 2025 (in dollars per share) [1] $ 0.8526   $ 1.4    
November 10, 2025 (in shares) [1] 0   500    
November 10, 2025 (in shares) [1] (500)        
November 10, 2025 (in shares) [1] 0        
Series F Convertible Preferred Stock [Member] | Purchased July 25, 2024 [Member]          
Shares issued (in shares) [1]   0   500  
Proceeds from the sale of Series G preferred stock [1]       $ 500,000  
Net proceeds [1]       $ 500,000  
Convertible price (in dollars per share) [1]   $ 1.1   $ 23.15  
Preferred stock, outstanding (in shares) [1]   0   500  
Converted (in shares) [1]   (500)      
Issuable (in shares) [1]   0      
Stock Issued During Period, Shares, New Issues (in shares) [1]   0   500  
Proceeds from Issuance of Convertible Preferred Stock [1]       $ 500,000  
November 15, 2023 [1]       $ 500,000  
Preferred Stock, Convertible, Conversion Price (in dollars per share) [1]   $ 1.1   $ 23.15  
Preferred Stock, Shares Outstanding (in shares) [1]   0   500  
Conversion of Stock, Shares Converted (in shares) [1]   500      
Preferred Stock, Convertible, Shares Issuable (in shares) [1]   0      
November 10, 2025 (in shares) [1]   0   500  
November 10, 2025 [1]       $ 500,000  
November 10, 2025 [1]       $ 500,000  
November 10, 2025 (in dollars per share) [1]   $ 1.1   $ 23.15  
November 10, 2025 (in shares) [1]   0   500  
November 10, 2025 (in shares) [1]   (500)      
November 10, 2025 (in shares) [1]   0      
Series F Convertible Preferred Stock [Member] | Purchased July 24, 2025 [Member]          
Shares issued (in shares) [1] 0   1,000    
Proceeds from the sale of Series G preferred stock [1]     $ 1,000,000    
Net proceeds [1]     $ 1,000,000    
Convertible price (in dollars per share) [1] $ 0.8526   $ 2.19    
Preferred stock, outstanding (in shares) [1] 0   1,000    
Issuable (in shares) [1] 0        
Stock Issued During Period, Shares, New Issues (in shares) [1] 0   1,000    
Proceeds from Issuance of Convertible Preferred Stock [1]     $ 1,000,000    
November 15, 2023 [1]     $ 1,000,000    
Preferred Stock, Convertible, Conversion Price (in dollars per share) [1] $ 0.8526   $ 2.19    
Preferred Stock, Shares Outstanding (in shares) [1] 0   1,000    
Preferred Stock, Convertible, Shares Issuable (in shares) [1] 0        
November 10, 2025 (in shares) [1] 0   1,000    
November 10, 2025 [1]     $ 1,000,000    
November 10, 2025 [1]     $ 1,000,000    
November 10, 2025 (in dollars per share) [1] $ 0.8526   $ 2.19    
November 10, 2025 (in shares) [1] 0   1,000    
November 10, 2025 (in shares) [1] 0        
Series F Convertible Preferred Stock [Member] | Purchased August 27, 2024 [Member]          
Shares issued (in shares) [1]   0   500  
Proceeds from the sale of Series G preferred stock [1]       $ 500,000  
Net proceeds [1]       $ 500,000  
Convertible price (in dollars per share) [1]   $ 1.1   $ 20.19  
Preferred stock, outstanding (in shares) [1]   500   500  
Issuable (in shares) [1]   454,545      
Stock Issued During Period, Shares, New Issues (in shares) [1]   0   500  
Proceeds from Issuance of Convertible Preferred Stock [1]       $ 500,000  
November 15, 2023 [1]       $ 500,000  
Preferred Stock, Convertible, Conversion Price (in dollars per share) [1]   $ 1.1   $ 20.19  
Preferred Stock, Shares Outstanding (in shares) [1]   500   500  
Preferred Stock, Convertible, Shares Issuable (in shares) [1]   454,545      
November 10, 2025 (in shares) [1]   0   500  
November 10, 2025 [1]       $ 500,000  
November 10, 2025 [1]       $ 500,000  
November 10, 2025 (in dollars per share) [1]   $ 1.1   $ 20.19  
November 10, 2025 (in shares) [1]   500   500  
November 10, 2025 (in shares) [1]   454,545      
Series F Convertible Preferred Stock [Member] | Purchased October 6, 2025 [Member]          
Shares issued (in shares) [1] 0   1,000    
Proceeds from the sale of Series G preferred stock [1]     $ 1,000,000    
Net proceeds [1]     $ 1,000,000    
Convertible price (in dollars per share) [1] $ 0.8526   $ 2.3427    
Preferred stock, outstanding (in shares) [1] 175   815    
Issuable (in shares) [1] 205,255        
Stock Issued During Period, Shares, New Issues (in shares) [1] 0   1,000    
Proceeds from Issuance of Convertible Preferred Stock [1]     $ 1,000,000    
November 15, 2023 [1]     $ 1,000,000    
Preferred Stock, Convertible, Conversion Price (in dollars per share) [1] $ 0.8526   $ 2.3427    
Preferred Stock, Shares Outstanding (in shares) [1] 175   815    
Preferred Stock, Convertible, Shares Issuable (in shares) [1] 205,255        
November 10, 2025 (in shares) [1] 0   1,000    
November 10, 2025 [1]     $ 1,000,000    
November 10, 2025 [1]     $ 1,000,000    
November 10, 2025 (in dollars per share) [1] $ 0.8526   $ 2.3427    
November 10, 2025 (in shares) [1] 175   815    
November 10, 2025 (in shares) [1] 205,255        
Series F Convertible Preferred Stock [Member] | Purchased October 1, 2024 [Member]          
Shares issued (in shares) [1]   0   1,500  
Proceeds from the sale of Series G preferred stock [1]       $ 0  
Net proceeds [1]       $ 0  
Convertible price (in dollars per share) [1]   $ 1.1   $ 12  
Preferred stock, outstanding (in shares) [1]   1,500   1,500  
Issuable (in shares) [1]   1,363,636      
Stock Issued During Period, Shares, New Issues (in shares) [1]   0   1,500  
Proceeds from Issuance of Convertible Preferred Stock [1]       $ 0  
November 15, 2023 [1]       $ 0  
Preferred Stock, Convertible, Conversion Price (in dollars per share) [1]   $ 1.1   $ 12  
Preferred Stock, Shares Outstanding (in shares) [1]   1,500   1,500  
Preferred Stock, Convertible, Shares Issuable (in shares) [1]   1,363,636      
November 10, 2025 (in shares) [1]   0   1,500  
November 10, 2025 [1]       $ 0  
November 10, 2025 [1]       $ 0  
November 10, 2025 (in dollars per share) [1]   $ 1.1   $ 12  
November 10, 2025 (in shares) [1]   1,500   1,500  
November 10, 2025 (in shares) [1]   1,363,636      
Series F Convertible Preferred Stock [Member] | Purchased November 24, 2025 [Member]          
Shares issued (in shares) [1] 0   500    
Proceeds from the sale of Series G preferred stock [1]     $ 500,000    
Net proceeds [1]     $ 500,000    
Convertible price (in dollars per share) [1] $ 0.8526   $ 1.1347    
Preferred stock, outstanding (in shares) [1] 303   500    
Issuable (in shares) [1] 355,384        
Stock Issued During Period, Shares, New Issues (in shares) [1] 0   500    
Proceeds from Issuance of Convertible Preferred Stock [1]     $ 500,000    
November 15, 2023 [1]     $ 500,000    
Preferred Stock, Convertible, Conversion Price (in dollars per share) [1] $ 0.8526   $ 1.1347    
Preferred Stock, Shares Outstanding (in shares) [1] 303   500    
Preferred Stock, Convertible, Shares Issuable (in shares) [1] 355,384        
November 10, 2025 (in shares) [1] 0   500    
November 10, 2025 [1]     $ 500,000    
November 10, 2025 [1]     $ 500,000    
November 10, 2025 (in dollars per share) [1] $ 0.8526   $ 1.1347    
November 10, 2025 (in shares) [1] 303   500    
November 10, 2025 (in shares) [1] 355,384        
Series F Convertible Preferred Stock [Member] | Purchased December 18, 2024 [Member]          
Shares issued (in shares) [1],[2]   0   750  
Proceeds from the sale of Series G preferred stock [1],[2]       $ 750,000  
Net proceeds [1],[2]       $ 750,000  
Convertible price (in dollars per share) [1],[2]   $ 1.2036   $ 5.25  
Preferred stock, outstanding (in shares) [1],[2]   750   750  
Issuable (in shares) [1],[2]   623,131      
Stock Issued During Period, Shares, New Issues (in shares) [1],[2]   0   750  
Proceeds from Issuance of Convertible Preferred Stock [1],[2]       $ 750,000  
November 15, 2023 [1],[2]       $ 750,000  
Preferred Stock, Convertible, Conversion Price (in dollars per share) [1],[2]   $ 1.2036   $ 5.25  
Preferred Stock, Shares Outstanding (in shares) [1],[2]   750   750  
Preferred Stock, Convertible, Shares Issuable (in shares) [1],[2]   623,131      
November 10, 2025 (in shares) [1],[2]   0   750  
November 10, 2025 [1],[2]       $ 750,000  
November 10, 2025 [1],[2]       $ 750,000  
November 10, 2025 (in dollars per share) [1],[2]   $ 1.2036   $ 5.25  
November 10, 2025 (in shares) [1],[2]   750   750  
November 10, 2025 (in shares) [1],[2]   623,131      
Series F Convertible Preferred Stock [Member] | Purchased December 22, 2025 [Member]          
Shares issued (in shares) [1] 0   500    
Proceeds from the sale of Series G preferred stock [1]     $ 500,000    
Net proceeds [1]     $ 500,000    
Convertible price (in dollars per share) [1] $ 0.8526   $ 0.9615    
Preferred stock, outstanding (in shares) [1] 500   500    
Converted (in shares) [1] 0        
Issuable (in shares) [1] 586,441        
Stock Issued During Period, Shares, New Issues (in shares) [1] 0   500    
Proceeds from Issuance of Convertible Preferred Stock [1]     $ 500,000    
November 15, 2023 [1]     $ 500,000    
Preferred Stock, Convertible, Conversion Price (in dollars per share) [1] $ 0.8526   $ 0.9615    
Preferred Stock, Shares Outstanding (in shares) [1] 500   500    
Conversion of Stock, Shares Converted (in shares) [1] (0)        
Preferred Stock, Convertible, Shares Issuable (in shares) [1] 586,441        
November 10, 2025 (in shares) [1] 0   500    
November 10, 2025 [1]     $ 500,000    
November 10, 2025 [1]     $ 500,000    
November 10, 2025 (in dollars per share) [1] $ 0.8526   $ 0.9615    
November 10, 2025 (in shares) [1] 500   500    
November 10, 2025 (in shares) [1] 0        
November 10, 2025 (in shares) [1] 586,441        
Series F Convertible Preferred Stock [Member] | Purchased February 7, 2025 [Member]          
Shares issued (in shares) [2]   1,000   1,000  
Proceeds from the sale of Series G preferred stock [2]       $ 1,000,000  
Net proceeds [2]       $ 1,000,000  
Convertible price (in dollars per share) [2]   $ 1.2036   $ 2.22  
Preferred stock, outstanding (in shares) [2]   1,000   0  
Converted (in shares) [2]   0      
Issuable (in shares) [2]   830,841      
Stock Issued During Period, Shares, New Issues (in shares) [2]   1,000   1,000  
Proceeds from Issuance of Convertible Preferred Stock [2]       $ 1,000,000  
November 15, 2023 [2]       $ 1,000,000  
Preferred Stock, Convertible, Conversion Price (in dollars per share) [2]   $ 1.2036   $ 2.22  
Preferred Stock, Shares Outstanding (in shares) [2]   1,000   0  
Conversion of Stock, Shares Converted (in shares) [2]   (0)      
Preferred Stock, Convertible, Shares Issuable (in shares) [2]   830,841      
November 10, 2025 (in shares) [2]   1,000   1,000  
November 10, 2025 [2]       $ 1,000,000  
November 10, 2025 [2]       $ 1,000,000  
November 10, 2025 (in dollars per share) [2]   $ 1.2036   $ 2.22  
November 10, 2025 (in shares) [2]   1,000   0  
November 10, 2025 (in shares) [2]   0      
November 10, 2025 (in shares) [2]   830,841      
Series F Convertible Preferred Stock [Member] | Purchased January 2, 2026 [Member]          
Shares issued (in shares) 500   500    
Proceeds from the sale of Series G preferred stock     $ 500,000    
Net proceeds     $ 500,000    
Convertible price (in dollars per share) $ 0.8526   $ 0.8526    
Preferred stock, outstanding (in shares) 500   0    
Converted (in shares) 0        
Issuable (in shares) 586,441        
Stock Issued During Period, Shares, New Issues (in shares) 500   500    
Proceeds from Issuance of Convertible Preferred Stock     $ 500,000    
November 15, 2023     $ 500,000    
Preferred Stock, Convertible, Conversion Price (in dollars per share) $ 0.8526   $ 0.8526    
Preferred Stock, Shares Outstanding (in shares) 500   0    
Conversion of Stock, Shares Converted (in shares) (0)        
Preferred Stock, Convertible, Shares Issuable (in shares) 586,441        
November 10, 2025 (in shares) 500   500    
November 10, 2025     $ 500,000    
November 10, 2025     $ 500,000    
November 10, 2025 (in dollars per share) $ 0.8526   $ 0.8526    
November 10, 2025 (in shares) 500   0    
November 10, 2025 (in shares) 0        
November 10, 2025 (in shares) 586,441        
Series F Convertible Preferred Stock [Member] | Purchased March 17, 2025 [Member]          
Shares issued (in shares)   500   500  
Proceeds from the sale of Series G preferred stock       $ 500,000  
Net proceeds       $ 500,000  
Convertible price (in dollars per share)   $ 1.2036   $ 1.2  
Preferred stock, outstanding (in shares)   500   0  
Converted (in shares)   0      
Issuable (in shares)   415,420      
Stock Issued During Period, Shares, New Issues (in shares)   500   500  
Proceeds from Issuance of Convertible Preferred Stock       $ 500,000  
November 15, 2023       $ 500,000  
Preferred Stock, Convertible, Conversion Price (in dollars per share)   $ 1.2036   $ 1.2  
Preferred Stock, Shares Outstanding (in shares)   500   0  
Conversion of Stock, Shares Converted (in shares)   (0)      
Preferred Stock, Convertible, Shares Issuable (in shares)   415,420      
November 10, 2025 (in shares)   500   500  
November 10, 2025       $ 500,000  
November 10, 2025       $ 500,000  
November 10, 2025 (in dollars per share)   $ 1.2036   $ 1.2  
November 10, 2025 (in shares)   500   0  
November 10, 2025 (in shares)   0      
November 10, 2025 (in shares)   415,420      
Series F Convertible Preferred Stock [Member] | Purchased in 2023, 2024, 2025, and 2026 [Member]          
Shares issued (in shares) 500   8,900    
Proceeds from the sale of Series G preferred stock     $ 8,900,000    
Net proceeds     $ 8,825,000    
Preferred stock, outstanding (in shares) 1,863   4,122    
Converted (in shares) (2,759)        
Issuable (in shares) 2,197,712        
Stock Issued During Period, Shares, New Issues (in shares) 500   8,900    
Proceeds from Issuance of Convertible Preferred Stock     $ 8,900,000    
November 15, 2023     $ 8,825,000    
Preferred Stock, Shares Outstanding (in shares) 1,863   4,122    
Conversion of Stock, Shares Converted (in shares) 2,759        
Preferred Stock, Convertible, Shares Issuable (in shares) 2,197,712        
November 10, 2025 (in shares) 500   8,900    
November 10, 2025     $ 8,900,000    
November 10, 2025     $ 8,825,000    
November 10, 2025 (in shares) 1,863   4,122    
November 10, 2025 (in shares) (2,759)        
November 10, 2025 (in shares) 2,197,712        
Series F Convertible Preferred Stock [Member] | Purchased in 2023, 2024, and 2025 [Member]          
Shares issued (in shares)   1,500   9,700  
Proceeds from the sale of Series G preferred stock       $ 8,200,000  
Net proceeds       $ 8,125,000  
Preferred stock, outstanding (in shares)   5,025   5,935  
Converted (in shares)   (2,410)      
Issuable (in shares)   4,392,119      
Stock Issued During Period, Shares, New Issues (in shares)   1,500   9,700  
Proceeds from Issuance of Convertible Preferred Stock       $ 8,200,000  
November 15, 2023       $ 8,125,000  
Preferred Stock, Shares Outstanding (in shares)   5,025   5,935  
Conversion of Stock, Shares Converted (in shares)   2,410      
Preferred Stock, Convertible, Shares Issuable (in shares)   4,392,119      
November 10, 2025 (in shares)   1,500   9,700  
November 10, 2025       $ 8,200,000  
November 10, 2025       $ 8,125,000  
November 10, 2025 (in shares)   5,025   5,935  
November 10, 2025 (in shares)   (2,410)      
November 10, 2025 (in shares)   4,392,119      
Series G Convertible Preferred Stock [Member]          
Shares issued (in shares) 85,250        
Preferred stock, outstanding (in shares) 500   6,190    
Stock Issued During Period, Shares, New Issues (in shares) 85,250        
Preferred Stock, Shares Outstanding (in shares) 500   6,190    
November 10, 2025 (in shares) 85,250        
November 10, 2025 (in shares) 500   6,190    
Series G Convertible Preferred Stock [Member] | Purchased in November 10, 2025 [Member]          
Shares issued (in shares) 0   12,000    
Proceeds from the sale of Series G preferred stock     $ 12,000,000    
Net proceeds     $ 0    
Convertible price (in dollars per share) $ 0.9615   $ 1.23    
Preferred stock, outstanding (in shares) 0   6,190    
Issuable (in shares) 0        
Stock Issued During Period, Shares, New Issues (in shares) 0   12,000    
Proceeds from Issuance of Convertible Preferred Stock     $ 12,000,000    
November 15, 2023     $ 0    
Preferred Stock, Convertible, Conversion Price (in dollars per share) $ 0.9615   $ 1.23    
Preferred Stock, Shares Outstanding (in shares) 0   6,190    
Preferred Stock, Convertible, Shares Issuable (in shares) 0        
November 10, 2025 (in shares) 0   12,000    
November 10, 2025     $ 12,000,000    
November 10, 2025     $ 0    
November 10, 2025 (in dollars per share) $ 0.9615   $ 1.23    
November 10, 2025 (in shares) 0   6,190    
November 10, 2025 (in shares) 0        
Series G Convertible Preferred Stock [Member] | Purchased in March 4, 2026 [Member]          
Shares issued (in shares) 250   250    
Proceeds from the sale of Series G preferred stock     $ 250,000    
Net proceeds     $ 0    
Convertible price (in dollars per share) $ 1   $ 1    
Preferred stock, outstanding (in shares) 0   0    
Issuable (in shares) 0        
Stock Issued During Period, Shares, New Issues (in shares) 250   250    
Proceeds from Issuance of Convertible Preferred Stock     $ 250,000    
November 15, 2023     $ 0    
Preferred Stock, Convertible, Conversion Price (in dollars per share) $ 1   $ 1    
Preferred Stock, Shares Outstanding (in shares) 0   0    
Preferred Stock, Convertible, Shares Issuable (in shares) 0        
November 10, 2025 (in shares) 250   250    
November 10, 2025     $ 250,000    
November 10, 2025     $ 0    
November 10, 2025 (in dollars per share) $ 1   $ 1    
November 10, 2025 (in shares) 0   0    
November 10, 2025 (in shares) 0        
Series G Convertible Preferred Stock [Member] | Purchased in March 4, 2026 [Member] | Conversions of Series G Preferred Stock Into Common Stock [Member]          
Converted (in shares) (250)        
Conversion of Stock, Shares Converted (in shares) 250        
November 10, 2025 (in shares) (250)        
Series G Convertible Preferred Stock [Member] | Purchased in March 5, 2026 [Member]          
Shares issued (in shares) 2,000   2,000    
Proceeds from the sale of Series G preferred stock     $ 2,000,000    
Net proceeds     $ 0    
Convertible price (in dollars per share) $ 1   $ 1    
Preferred stock, outstanding (in shares) 500   0    
Issuable (in shares) 500,000        
Stock Issued During Period, Shares, New Issues (in shares) 2,000   2,000    
Proceeds from Issuance of Convertible Preferred Stock     $ 2,000,000    
November 15, 2023     $ 0    
Preferred Stock, Convertible, Conversion Price (in dollars per share) $ 1   $ 1    
Preferred Stock, Shares Outstanding (in shares) 500   0    
Preferred Stock, Convertible, Shares Issuable (in shares) 500,000        
November 10, 2025 (in shares) 2,000   2,000    
November 10, 2025     $ 2,000,000    
November 10, 2025     $ 0    
November 10, 2025 (in dollars per share) $ 1   $ 1    
November 10, 2025 (in shares) 500   0    
November 10, 2025 (in shares) 500,000        
Series G Convertible Preferred Stock [Member] | Purchased in March 5, 2026 [Member] | Conversions of Series G Preferred Stock Into Common Stock [Member]          
Converted (in shares) (1,500)        
Conversion of Stock, Shares Converted (in shares) 1,500        
November 10, 2025 (in shares) (1,500)        
Series G Convertible Preferred Stock [Member] | Purchased in 2025 and 2026 [Member]          
Shares issued (in shares) 2,250   14,250    
Proceeds from the sale of Series G preferred stock     $ 14,250,000    
Net proceeds     $ 0    
Convertible price (in dollars per share) $ 0   $ 0    
Preferred stock, outstanding (in shares) 500   6,190    
Issuable (in shares) 500,000        
Stock Issued During Period, Shares, New Issues (in shares) 2,250   14,250    
Proceeds from Issuance of Convertible Preferred Stock     $ 14,250,000    
November 15, 2023     $ 0    
Preferred Stock, Convertible, Conversion Price (in dollars per share) $ 0   $ 0    
Preferred Stock, Shares Outstanding (in shares) 500   6,190    
Preferred Stock, Convertible, Shares Issuable (in shares) 500,000        
November 10, 2025 (in shares) 2,250   14,250    
November 10, 2025     $ 14,250,000    
November 10, 2025     $ 0    
November 10, 2025 (in dollars per share) $ 0   $ 0    
November 10, 2025 (in shares) 500   6,190    
November 10, 2025 (in shares) 500,000        
Series G Convertible Preferred Stock [Member] | Purchased in 2025 and 2026 [Member] | Conversions of Series G Preferred Stock Into Common Stock [Member]          
Converted (in shares) (7,940)        
Conversion of Stock, Shares Converted (in shares) 7,940        
November 10, 2025 (in shares) (7,940)        
[1] These shares were issued as consideration for executing the Omnibus Agreement in connection with the October 2024 Offering.
[2] Reflects the conversion price after the March 2025 Down Round Trigger that was triggered with the Sale of Series F on March 17, 2025.