v3.26.1
Note 7 - Stockholders' Equity - Schedule of Preferred Stock Activity (Details) - USD ($)
 6 Months Ended 8 Months Ended 18 Months Ended
May 28, 2026
May 14, 2026
Mar. 05, 2026
Mar. 04, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2025
May 27, 2026
Dec. 31, 2025
Dec. 31, 2024
Proceeds from the sale of Series G preferred stock         $ 7,250,000 $ 0            
Proceeds from Issuance of Convertible Preferred Stock         $ 7,250,000 $ 0            
Conversion of Series F Preferred Stock into Common Stock [Member]                        
Preferred stock, conversion price (in dollars per share)         $ 0.8526 $ 1.1 $ 0.8526 $ 0.8526 $ 1.1      
Converted (in shares)         (478) (5,350)            
Preferred Stock, Convertible, Conversion Price (in dollars per share)         $ 0.8526 $ 1.1 $ 0.8526 $ 0.8526 1.1      
November 15, 2023 (in shares)         (478) (5,350)            
Purchased in 2023 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]                        
Converted (in shares)         0 0            
November 15, 2023 (in shares)         0 0            
Purchased March 6, 2024 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]                        
Converted (in shares)         0 (335)            
November 15, 2023 (in shares)         0 (335)            
Purchased July 24, 2025 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]                        
Converted (in shares) [1]         (815)              
November 15, 2023 (in shares) [1]         (815)              
Purchased August 27, 2024 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]                        
Converted (in shares) [1]           (500)            
November 15, 2023 (in shares) [1]           (500)            
Purchased October 6, 2025 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]                        
Converted (in shares) [1]         (500)              
November 15, 2023 (in shares) [1]         (500)              
Purchased October 1, 2024 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]                        
Converted (in shares) [1]           (1,500)            
November 15, 2023 (in shares) [1]           (1,500)            
Purchased November 24, 2025 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]                        
Converted (in shares) [1]         0              
November 15, 2023 (in shares) [1]         0              
Purchased December 18, 2024 [Member] | Conversion of Series F Preferred Stock into Common Stock [Member]                        
Converted (in shares) [1],[2]           (750)            
November 15, 2023 (in shares) [1],[2]           (750)            
Purchased May 5, 2025 [Member]                        
Preferred stock, conversion price (in dollars per share)           $ 0.83     0.83     $ 0.83
Converted (in shares)           (500)            
Preferred Stock, Convertible, Conversion Price (in dollars per share)           $ 0.83     0.83     0.83
November 15, 2023 (in shares)           (500)            
Purchased June 6, 2025 [Member]                        
Preferred stock, conversion price (in dollars per share)           $ 1.19     1.19     1.19
Converted (in shares)           0            
Preferred Stock, Convertible, Conversion Price (in dollars per share)           $ 1.19     1.19     1.19
November 15, 2023 (in shares)           0            
Purchased June 9, 2025 [Member]                        
Preferred stock, conversion price (in dollars per share)           $ 1.19     1.19     1.19
Converted (in shares)           (600)            
Preferred Stock, Convertible, Conversion Price (in dollars per share)           $ 1.19     1.19     1.19
November 15, 2023 (in shares)           (600)            
Purchased June 17, 2025 [Member]                        
Preferred stock, conversion price (in dollars per share)           $ 1.25     1.25     1.25
Converted (in shares)           0            
Preferred Stock, Convertible, Conversion Price (in dollars per share)           $ 1.25     $ 1.25     1.25
November 15, 2023 (in shares)           0            
Series G Convertible Preferred Stock [Member]                        
Stock Issued During Period, Shares, New Issues (in shares) 3,000 2,000 2,000 250 7,250   19,250 19,250        
Proceeds from the sale of Series G preferred stock               $ 19,250,000        
Net proceeds               $ 19,250,000        
Preferred stock, conversion price (in dollars per share) $ 1 $ 1 $ 1   $ 0   $ 0 $ 0   $ 0.9746 $ 0  
Preferred stock, outstanding (in shares)         2,000   2,000 2,000     6,190  
Shares issued (in shares) 3,000 2,000 2,000 250 7,250   19,250 19,250        
Converted (in shares)         (11,440)              
Proceeds from Issuance of Convertible Preferred Stock               $ 19,250,000        
November 15, 2023               $ 19,250,000        
Preferred Stock, Convertible, Conversion Price (in dollars per share) $ 1 $ 1 $ 1   $ 0   $ 0 $ 0   $ 0.9746 $ 0  
Preferred Stock, Shares Outstanding (in shares)         2,000   2,000 2,000     6,190  
November 15, 2023 (in shares)         (11,440)              
Preferred Stock, Convertible, Shares Issuable (in shares)         2,000,000   2,000,000 2,000,000        
March 6, 2024 (in shares)         2,000,000   2,000,000 2,000,000        
Series G Convertible Preferred Stock [Member] | Purchased in March 4, 2026 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)         0     12,000        
Proceeds from the sale of Series G preferred stock               $ 12,000,000        
Net proceeds               $ 12,000,000        
Preferred stock, conversion price (in dollars per share)         $ 0.96   $ 0.96 $ 0.96     $ 1.23  
Preferred stock, outstanding (in shares)         0   0 0     6,190  
Shares issued (in shares)         0     12,000        
Converted (in shares)         (6,190)              
Proceeds from Issuance of Convertible Preferred Stock               $ 12,000,000        
November 15, 2023               $ 12,000,000        
Preferred Stock, Convertible, Conversion Price (in dollars per share)         $ 0.96   $ 0.96 $ 0.96     $ 1.23  
Preferred Stock, Shares Outstanding (in shares)         0   0 0     6,190  
November 15, 2023 (in shares)         (6,190)              
Preferred Stock, Convertible, Shares Issuable (in shares)         0   0 0        
March 6, 2024 (in shares)         0   0 0        
Series G Convertible Preferred Stock [Member] | Purchased in March 5, 2026 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)         250     250        
Proceeds from the sale of Series G preferred stock               $ 250,000        
Net proceeds               $ 250,000        
Preferred stock, conversion price (in dollars per share)         $ 1   $ 1 $ 1     $ 1  
Preferred stock, outstanding (in shares)         0   0 0     0  
Shares issued (in shares)         250     250        
Converted (in shares)         (250)              
Proceeds from Issuance of Convertible Preferred Stock               $ 250,000        
November 15, 2023               $ 250,000        
Preferred Stock, Convertible, Conversion Price (in dollars per share)         $ 1   $ 1 $ 1     $ 1  
Preferred Stock, Shares Outstanding (in shares)         0   0 0     0  
November 15, 2023 (in shares)         (250)              
Preferred Stock, Convertible, Shares Issuable (in shares)         0   0 0        
March 6, 2024 (in shares)         0   0 0        
Series G Convertible Preferred Stock [Member] | Purchased May 14, 2026 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)         2,000     2,000        
Proceeds from the sale of Series G preferred stock               $ 2,000,000        
Net proceeds               $ 2,000,000        
Preferred stock, conversion price (in dollars per share)         $ 1   $ 1 $ 1     $ 1  
Preferred stock, outstanding (in shares)         0   0 0     0  
Shares issued (in shares)         2,000     2,000        
Converted (in shares)         (2,000)              
Proceeds from Issuance of Convertible Preferred Stock               $ 2,000,000        
November 15, 2023               $ 2,000,000        
Preferred Stock, Convertible, Conversion Price (in dollars per share)         $ 1   $ 1 $ 1     $ 1  
Preferred Stock, Shares Outstanding (in shares)         0   0 0     0  
November 15, 2023 (in shares)         (2,000)              
Preferred Stock, Convertible, Shares Issuable (in shares)         0   0 0        
March 6, 2024 (in shares)         0   0 0        
Series G Convertible Preferred Stock [Member] | Purchased May 28, 2026 1 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)         2,000     2,000        
Proceeds from the sale of Series G preferred stock               $ 2,000,000        
Net proceeds               $ 2,000,000        
Preferred stock, conversion price (in dollars per share)         $ 0.97   $ 0.97 $ 0.97     $ 1  
Preferred stock, outstanding (in shares)         0   0 0     0  
Shares issued (in shares)         2,000     2,000        
Converted (in shares)         (2,000)              
Proceeds from Issuance of Convertible Preferred Stock               $ 2,000,000        
November 15, 2023               $ 2,000,000        
Preferred Stock, Convertible, Conversion Price (in dollars per share)         $ 0.97   $ 0.97 $ 0.97     $ 1  
Preferred Stock, Shares Outstanding (in shares)         0   0 0     0  
November 15, 2023 (in shares)         (2,000)              
Preferred Stock, Convertible, Shares Issuable (in shares)         0   0 0        
March 6, 2024 (in shares)         0   0 0        
Series G Convertible Preferred Stock [Member] | Purchased May 28, 2026 2 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)         1,000     1,000        
Proceeds from the sale of Series G preferred stock               $ 1,000,000        
Net proceeds               $ 1,000,000        
Preferred stock, conversion price (in dollars per share)         $ 1   $ 1 $ 1     $ 1  
Preferred stock, outstanding (in shares)         0   0 0     0  
Shares issued (in shares)         1,000     1,000        
Converted (in shares)         (1,000)              
Proceeds from Issuance of Convertible Preferred Stock               $ 1,000,000        
November 15, 2023               $ 1,000,000        
Preferred Stock, Convertible, Conversion Price (in dollars per share)         $ 1   $ 1 $ 1     $ 1  
Preferred Stock, Shares Outstanding (in shares)         0   0 0     0  
November 15, 2023 (in shares)         (1,000)              
Preferred Stock, Convertible, Shares Issuable (in shares)         0   0 0        
March 6, 2024 (in shares)         0   0 0        
Series G Convertible Preferred Stock [Member] | Purchased May 28, 2026 3 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)         2,000     2,000        
Proceeds from the sale of Series G preferred stock               $ 2,000,000        
Net proceeds               $ 2,000,000        
Preferred stock, conversion price (in dollars per share)         $ 1   $ 1 $ 1     $ 1  
Preferred stock, outstanding (in shares)         2,000   2,000 2,000     0  
Shares issued (in shares)         2,000     2,000        
Converted (in shares)         0              
Proceeds from Issuance of Convertible Preferred Stock               $ 2,000,000        
November 15, 2023               $ 2,000,000        
Preferred Stock, Convertible, Conversion Price (in dollars per share)         $ 1   $ 1 $ 1     $ 1  
Preferred Stock, Shares Outstanding (in shares)         2,000   2,000 2,000     0  
November 15, 2023 (in shares)         0              
Preferred Stock, Convertible, Shares Issuable (in shares)         2,000,000   2,000,000 2,000,000        
March 6, 2024 (in shares)         2,000,000   2,000,000 2,000,000        
Series F Convertible Preferred Stock [Member]                        
Preferred stock, outstanding (in shares)         1,885   1,885 1,885     4,122  
Preferred Stock, Shares Outstanding (in shares)         1,885   1,885 1,885     4,122  
Series F Convertible Preferred Stock [Member] | Purchased in 2023 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)         0 0   1,000 1,850      
Proceeds from the sale of Series G preferred stock               $ 1,000,000 $ 1,850,000      
Net proceeds               $ 950,000 $ 1,850,000      
Preferred stock, conversion price (in dollars per share)         $ 0.83 $ 0.83 $ 0.83 $ 0.83 $ 0.83   $ 60.29 $ 124.7
Preferred stock, outstanding (in shares)         100 150 100 100 150   100 150
Shares issued (in shares)         0 0   1,000 1,850      
Proceeds from Issuance of Convertible Preferred Stock               $ 1,000,000 $ 1,850,000      
November 15, 2023               $ 950,000 $ 1,850,000      
Preferred Stock, Convertible, Conversion Price (in dollars per share)         $ 0.83 $ 0.83 $ 0.83 $ 0.83 $ 0.83   $ 60.29 $ 124.7
Preferred Stock, Shares Outstanding (in shares)         100 150 100 100 150   100 150
Preferred Stock, Convertible, Shares Issuable (in shares)           180,854     180,854      
March 6, 2024 (in shares)           180,854     180,854      
Series F Convertible Preferred Stock [Member] | Purchased March 6, 2024 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)         0 0   1,050 1,000      
Proceeds from the sale of Series G preferred stock               $ 1,050,000 $ 1,000,000      
Net proceeds               $ 1,025,000 $ 950,000      
Preferred stock, conversion price (in dollars per share)         $ 0.83 $ 0.83 $ 0.83 $ 0.83 $ 0.83   $ 32.15 $ 60.29
Preferred stock, outstanding (in shares)         135 100 135 135 100   135 435
Shares issued (in shares)         0 0   1,050 1,000      
Proceeds from Issuance of Convertible Preferred Stock               $ 1,050,000 $ 1,000,000      
November 15, 2023               $ 1,025,000 $ 950,000      
Preferred Stock, Convertible, Conversion Price (in dollars per share)         $ 0.83 $ 0.83 $ 0.83 $ 0.83 $ 0.83   $ 32.15 $ 60.29
Preferred Stock, Shares Outstanding (in shares)         135 100 135 135 100   135 435
Preferred Stock, Convertible, Shares Issuable (in shares)           120,569     120,569      
March 6, 2024 (in shares)           120,569     120,569      
Series F Convertible Preferred Stock [Member] | Purchased May 31, 2024 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)         0 0 [1]   1,000 1,050 [1]      
Proceeds from the sale of Series G preferred stock               $ 1,000,000 $ 1,050,000 [1]      
Net proceeds               $ 1,000,000 $ 1,025,000 [1]      
Preferred stock, conversion price (in dollars per share)         $ 0.85 $ 0.83 [1] $ 0.85 $ 0.85 $ 0.83 [1]   $ 1.4 $ 32.15 [1]
Preferred stock, outstanding (in shares)         0 525 [1] 0 0 525 [1]   422 1,050 [1]
Shares issued (in shares)         0 0 [1]   1,000 1,050 [1]      
Converted (in shares)         (422) (525) [1]            
Proceeds from Issuance of Convertible Preferred Stock               $ 1,000,000 $ 1,050,000 [1]      
November 15, 2023               $ 1,000,000 $ 1,025,000 [1]      
Preferred Stock, Convertible, Conversion Price (in dollars per share)         $ 0.85 $ 0.83 [1] $ 0.85 $ 0.85 $ 0.83 [1]   $ 1.4 $ 32.15 [1]
Preferred Stock, Shares Outstanding (in shares)         0 525 [1] 0 0 525 [1]   422 1,050 [1]
November 15, 2023 (in shares)         (422) (525) [1]            
Preferred Stock, Convertible, Shares Issuable (in shares) [1]           632,998     632,998      
March 6, 2024 (in shares) [1]           632,998     632,998      
Series F Convertible Preferred Stock [Member] | Purchased April 12, 2024 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)           0     1,050      
Proceeds from the sale of Series G preferred stock                 $ 1,050,000      
Net proceeds                 $ 1,050,000      
Preferred stock, conversion price (in dollars per share)           $ 0.83     $ 0.83     $ 37
Preferred stock, outstanding (in shares)           0     0     1,050
Shares issued (in shares)           0     1,050      
Converted (in shares)           (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)           $ 0.83     $ 0.83     $ 37
Preferred Stock, Shares Outstanding (in shares)           0     0     1,050
November 15, 2023 (in shares)           (1,050)            
Preferred Stock, Convertible, Shares Issuable (in shares)           0     0      
March 6, 2024 (in shares)           0     0      
Series F Convertible Preferred Stock [Member] | Purchased July 18, 2025 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares) [1]         0     500        
Proceeds from the sale of Series G preferred stock [1]               $ 500,000        
Net proceeds [1]               $ 500,000        
Preferred stock, conversion price (in dollars per share) [1]         $ 0.85   $ 0.85 $ 0.85     $ 1.4  
Preferred stock, outstanding (in shares) [1]         0   0 0     500  
Shares issued (in shares) [1]         0     500        
Converted (in shares) [1]         (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]         $ 0.85   $ 0.85 $ 0.85     $ 1.4  
Preferred Stock, Shares Outstanding (in shares) [1]         0   0 0     500  
November 15, 2023 (in shares) [1]         (500)              
Series F Convertible Preferred Stock [Member] | Purchased July 21, 2025 [Member]                        
Stock Issued During Period, Shares, New Issues (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        
Preferred stock, conversion price (in dollars per share) [1]         $ 0.85   $ 0.85 $ 0.85     $ 2.19  
Preferred stock, outstanding (in shares) [1]         0   0 0     1,000  
Shares issued (in shares) [1]         0     1,000        
Converted (in shares) [1]         (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]         $ 0.85   $ 0.85 $ 0.85     $ 2.19  
Preferred Stock, Shares Outstanding (in shares) [1]         0   0 0     1,000  
November 15, 2023 (in shares) [1]         (1,000)              
Series F Convertible Preferred Stock [Member] | Purchased July 25, 2024 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares) [1]           0     500      
Proceeds from the sale of Series G preferred stock [1]                 $ 500,000      
Net proceeds [1]                 $ 500,000      
Preferred stock, conversion price (in dollars per share) [1]           $ 0.83     $ 0.83     $ 23.15
Preferred stock, outstanding (in shares) [1]           0     0     500
Shares issued (in shares) [1]           0     500      
Converted (in shares) [1]           (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]           $ 0.83     $ 0.83     $ 23.15
Preferred Stock, Shares Outstanding (in shares) [1]           0     0     500
November 15, 2023 (in shares) [1]           (500)            
Preferred Stock, Convertible, Shares Issuable (in shares) [1]           0     0      
March 6, 2024 (in shares) [1]           0     0      
Series F Convertible Preferred Stock [Member] | Purchased July 24, 2025 [Member]                        
Stock Issued During Period, Shares, New Issues (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        
Preferred stock, conversion price (in dollars per share) [1]         $ 0.85   $ 0.85 $ 0.85     $ 2.34  
Preferred stock, outstanding (in shares) [1]         0   0 0     815  
Shares issued (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]         $ 0.85   $ 0.85 $ 0.85     $ 2.34  
Preferred Stock, Shares Outstanding (in shares) [1]         0   0 0     815  
Series F Convertible Preferred Stock [Member] | Purchased August 27, 2024 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares) [1]           0     500      
Proceeds from the sale of Series G preferred stock [1]                 $ 500,000      
Net proceeds [1]                 $ 500,000      
Preferred stock, conversion price (in dollars per share) [1]           $ 0.83     $ 0.83     $ 20.19
Preferred stock, outstanding (in shares) [1]           0     0     500
Shares issued (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]           $ 0.83     $ 0.83     $ 20.19
Preferred Stock, Shares Outstanding (in shares) [1]           0     0     500
Preferred Stock, Convertible, Shares Issuable (in shares) [1]           0     0      
March 6, 2024 (in shares) [1]           0     0      
Series F Convertible Preferred Stock [Member] | Purchased October 6, 2025 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares) [1]         0     500        
Proceeds from the sale of Series G preferred stock [1]               $ 500,000        
Net proceeds [1]               $ 500,000        
Preferred stock, conversion price (in dollars per share) [1]         $ 0.85   $ 0.85 $ 0.85     $ 1.13  
Preferred stock, outstanding (in shares) [1]         0   0 0     500  
Shares issued (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]         $ 0.85   $ 0.85 $ 0.85     $ 1.13  
Preferred Stock, Shares Outstanding (in shares) [1]         0   0 0     500  
Series F Convertible Preferred Stock [Member] | Purchased October 1, 2024 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares) [1]           0     1,500      
Proceeds from the sale of Series G preferred stock [1]                 $ 0      
Net proceeds [1]                 $ 0      
Preferred stock, conversion price (in dollars per share) [1]           $ 0.83     $ 0.83     $ 12
Preferred stock, outstanding (in shares) [1]           0     0     1,500
Shares issued (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]           $ 0.83     $ 0.83     $ 12
Preferred Stock, Shares Outstanding (in shares) [1]           0     0     1,500
Preferred Stock, Convertible, Shares Issuable (in shares) [1]           0     0      
March 6, 2024 (in shares) [1]           0     0      
Series F Convertible Preferred Stock [Member] | Purchased November 24, 2025 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares) [1]         0     500        
Proceeds from the sale of Series G preferred stock [1]               $ 500,000        
Net proceeds [1]               $ 500,000        
Preferred stock, conversion price (in dollars per share) [1]         $ 0.85   $ 0.85 $ 0.85     $ 0.96  
Preferred stock, outstanding (in shares) [1]         500   500 500     500  
Shares issued (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]         $ 0.85   $ 0.85 $ 0.85     $ 0.96  
Preferred Stock, Shares Outstanding (in shares) [1]         500   500 500     500  
Series F Convertible Preferred Stock [Member] | Purchased December 18, 2024 [Member]                        
Stock Issued During Period, Shares, New Issues (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      
Preferred stock, conversion price (in dollars per share) [1],[2]           $ 0.83     $ 0.83     $ 5.25
Preferred stock, outstanding (in shares) [1],[2]           0     0     750
Shares issued (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]           $ 0.83     $ 0.83     $ 5.25
Preferred Stock, Shares Outstanding (in shares) [1],[2]           0     0     750
Preferred Stock, Convertible, Shares Issuable (in shares) [1],[2]           0     0      
March 6, 2024 (in shares) [1],[2]           0     0      
Series F Convertible Preferred Stock [Member] | Purchased December 22, 2025 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares) [1]         500     500        
Proceeds from the sale of Series G preferred stock [1]               $ 500,000        
Net proceeds [1]               $ 500,000        
Preferred stock, conversion price (in dollars per share) [1]         $ 0.85   $ 0.85 $ 0.85     $ 0.85  
Preferred stock, outstanding (in shares) [1]         500   500 500     0  
Shares issued (in shares) [1]         500     500        
Converted (in shares) [1]         0              
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]         $ 0.85   $ 0.85 $ 0.85     $ 0.85  
Preferred Stock, Shares Outstanding (in shares) [1]         500   500 500     0  
November 15, 2023 (in shares) [1]         0              
Series F Convertible Preferred Stock [Member] | Purchased February 7, 2025 [Member]                        
Stock Issued During Period, Shares, New Issues (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      
Preferred stock, conversion price (in dollars per share) [2]           $ 0.83     $ 0.83     $ 2.22
Preferred stock, outstanding (in shares) [2]           0     0     0
Shares issued (in shares) [2]           1,000     1,000      
Converted (in shares) [2]           (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]           $ 0.83     $ 0.83     $ 2.22
Preferred Stock, Shares Outstanding (in shares) [2]           0     0     0
November 15, 2023 (in shares) [2]           (1,000)            
Preferred Stock, Convertible, Shares Issuable (in shares) [2]           0     0      
March 6, 2024 (in shares) [2]           0     0      
Series F Convertible Preferred Stock [Member] | Purchased January 2, 2026 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)         500     500        
Proceeds from the sale of Series G preferred stock               $ 500,000        
Net proceeds               $ 500,000        
Preferred stock, conversion price (in dollars per share)         $ 0.97 [3]   $ 0.97 [3] $ 0.97 [3]     $ 0.97  
Preferred stock, outstanding (in shares)         500   500 500     0  
Shares issued (in shares)         500     500        
Converted (in shares)         0              
Proceeds from Issuance of Convertible Preferred Stock               $ 500,000        
November 15, 2023               $ 500,000        
Preferred Stock, Convertible, Conversion Price (in dollars per share)         $ 0.97 [3]   $ 0.97 [3] $ 0.97 [3]     $ 0.97  
Preferred Stock, Shares Outstanding (in shares)         500   500 500     0  
November 15, 2023 (in shares)         0              
Series F Convertible Preferred Stock [Member] | Purchased March 17, 2025 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)           500     500      
Proceeds from the sale of Series G preferred stock                 $ 500,000      
Net proceeds                 $ 500,000      
Preferred stock, conversion price (in dollars per share)           $ 0.83     $ 0.83     $ 1.2
Preferred stock, outstanding (in shares)           0     0     0
Shares issued (in shares)           500     500      
Converted (in shares)           (500)            
Proceeds from Issuance of Convertible Preferred Stock                 $ 500,000      
November 15, 2023                 $ 500,000      
Preferred Stock, Convertible, Conversion Price (in dollars per share)           $ 0.83     $ 0.83     $ 1.2
Preferred Stock, Shares Outstanding (in shares)           0     0     0
November 15, 2023 (in shares)           (500)            
Preferred Stock, Convertible, Shares Issuable (in shares)           0     0      
March 6, 2024 (in shares)           0     0      
Series F Convertible Preferred Stock [Member] | Purchased in 2023, 2024, 2025, and 2026 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)         1,000     9,400        
Proceeds from the sale of Series G preferred stock               $ 9,400,000        
Net proceeds               $ 9,325,000        
Preferred stock, outstanding (in shares)         1,885   1,885 1,885     4,122  
Shares issued (in shares)         1,000     9,400        
Converted (in shares)         (3,237)              
Proceeds from Issuance of Convertible Preferred Stock               $ 9,400,000        
November 15, 2023               $ 9,325,000        
Preferred Stock, Shares Outstanding (in shares)         1,885   1,885 1,885     4,122  
November 15, 2023 (in shares)         (3,237)              
Series F Convertible Preferred Stock [Member] | Purchased May 5, 2025 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)           500     500      
Proceeds from the sale of Series G preferred stock                 $ 500,000      
Net proceeds                 $ 500,000      
Preferred stock, outstanding (in shares)           0     0     0
Shares issued (in shares)           500     500      
Proceeds from Issuance of Convertible Preferred Stock                 $ 500,000      
November 15, 2023                 $ 500,000      
Preferred Stock, Shares Outstanding (in shares)           0     0     0
Preferred Stock, Convertible, Shares Issuable (in shares)           0     0      
March 6, 2024 (in shares)           0     0      
Series F Convertible Preferred Stock [Member] | Purchased June 6, 2025 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)           500     500      
Proceeds from the sale of Series G preferred stock                 $ 500,000      
Net proceeds                 $ 500,000      
Preferred stock, outstanding (in shares)           500     500     0
Shares issued (in shares)           500     500      
Proceeds from Issuance of Convertible Preferred Stock                 $ 500,000      
November 15, 2023                 $ 500,000      
Preferred Stock, Shares Outstanding (in shares)           500     500     0
Preferred Stock, Convertible, Shares Issuable (in shares)           418,631     418,631      
March 6, 2024 (in shares)           418,631     418,631      
Series F Convertible Preferred Stock [Member] | Purchased June 9, 2025 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)           1,000     1,000      
Proceeds from the sale of Series G preferred stock                 $ 1,000,000      
Net proceeds                 $ 1,000,000      
Preferred stock, outstanding (in shares)           400     400     0
Shares issued (in shares)           1,000     1,000      
Proceeds from Issuance of Convertible Preferred Stock                 $ 1,000,000      
November 15, 2023                 $ 1,000,000      
Preferred Stock, Shares Outstanding (in shares)           400     400     0
Preferred Stock, Convertible, Shares Issuable (in shares)           335,345     335,345      
March 6, 2024 (in shares)           335,345     335,345      
Series F Convertible Preferred Stock [Member] | Purchased June 17, 2025 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)           1,000     1,000      
Proceeds from the sale of Series G preferred stock                 $ 1,000,000      
Net proceeds                 $ 1,000,000      
Preferred stock, outstanding (in shares)           1,000     1,000     0
Shares issued (in shares)           1,000     1,000      
Proceeds from Issuance of Convertible Preferred Stock                 $ 1,000,000      
November 15, 2023                 $ 1,000,000      
Preferred Stock, Shares Outstanding (in shares)           1,000     1,000     0
Preferred Stock, Convertible, Shares Issuable (in shares)           797,067     797,067      
March 6, 2024 (in shares)           797,067     797,067      
Series F Convertible Preferred Stock [Member] | Purchased in 2023, 2024, and 2025 [Member]                        
Stock Issued During Period, Shares, New Issues (in shares)           4,500     12,700      
Proceeds from the sale of Series G preferred stock                 $ 11,200,000      
Net proceeds                 $ 11,125,000      
Preferred stock, outstanding (in shares)           2,675     2,675     5,935
Shares issued (in shares)           4,500     12,700      
Converted (in shares)           (7,760)            
Proceeds from Issuance of Convertible Preferred Stock                 $ 11,200,000      
November 15, 2023                 $ 11,125,000      
Preferred Stock, Shares Outstanding (in shares)           2,675     2,675     5,935
November 15, 2023 (in shares)           (7,760)            
Preferred Stock, Convertible, Shares Issuable (in shares)           2,485,464     2,485,464      
March 6, 2024 (in shares)           2,485,464     2,485,464      
[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.
[3] This issuance triggered a down round provision embedded within the Series G PS outstanding.