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

Note 7 - Stockholders' Equity and Equity Linked Instruments - Schedule of Dividends (Details)

v3.26.1
Note 7 - Stockholders' Equity and Equity Linked Instruments - Schedule of Dividends (Details) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Jun. 30, 2024
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Dividend Shares (in shares)                 8,071 356,356
Fair Value Shares Issued $ 729,000               $ 291,000 $ 4,386,000 [1]
Series A-2 Preferred Stock [Member]                    
Dividend Shares (in shares)         120          
Fair Value Shares Issued [1]         $ 1,000          
Series A-5 Preferred Stock [Member]                    
Dividend Shares (in shares)       5       181    
Fair Value Shares Issued       $ 1,000       $ 4,000 [1]    
Series A-3 Preferred Stock [Member]                    
Dividend Shares (in shares)         253          
Fair Value Shares Issued [1]         $ 2,000          
Series A-4 Preferred Stock [Member]                    
Dividend Shares (in shares)         483          
Fair Value Shares Issued [1]         $ 3,000          
Series A A Preferred Stock [Member]                    
Dividend Shares (in shares)     530     13,239 39,690      
Fair Value Shares Issued     $ 89,000     $ 216,000 [1] $ 661,000 [1]      
Series AA-3 Convertible Preferred Stock [Member]                    
Dividend Shares (in shares)     6     3,211 3,430      
Fair Value Shares Issued     $ 1,000     $ 52,000 [1] $ 60,000 [1]      
Series AA-4 Convertible Preferred Stock [Member]                    
Dividend Shares (in shares)     113     135 4,625      
Fair Value Shares Issued     $ 9,000     $ 2,000 [1] $ 77,000 [1]      
Series AA-5 Convertible Preferred Stock [Member]                    
Dividend Shares (in shares)     10     3,931 4,324      
Fair Value Shares Issued     $ 1,000     $ 64,000 [1] $ 65,000 [1]      
Series AAA and AAA-2 Convertible Preferred Stock [Member]                    
Dividend Shares (in shares)   7,407             7,407  
Fair Value Shares Issued   $ 190,000                
Series AAA Convertible Preferred Stock [Member]                    
Dividend Shares (in shares)         61,880 36,003        
Fair Value Shares Issued [1]         $ 415,000 $ 587,000        
Series AAA-2 Convertible Preferred Stock [Member]                    
Dividend Shares (in shares)         29,708 40,858        
Fair Value Shares Issued [1]         $ 195,000 $ 666,000        
Series AAA Junior Preferred Stock [Member] | O2024Q31 Dividends [Member]                    
Dividend Shares (in shares)           16,134        
Fair Value Shares Issued [1]           $ 273,000        
Series AAA Junior Preferred Stock [Member] | O2024Q32 Dividends [Member]                    
Dividend Shares (in shares)           16,134        
Fair Value Shares Issued [1]           $ 240,000        
Series AAA Junior Preferred Stock [Member] | O2024Q33 Dividends [Member]                    
Dividend Shares (in shares)           16,134        
Fair Value Shares Issued [1]           $ 126,000        
Series AAA-2 Junior Convertible Preferred Stock [Member]                    
Dividend Shares (in shares)         7,347          
Fair Value Shares Issued [1]         $ 90,000          
Series AAA-2 Junior Convertible Preferred Stock [Member] | O2024Q31 Dividends [Member]                    
Dividend Shares (in shares)           7,347        
Fair Value Shares Issued [1]           $ 97,000        
Series AAA-2 Junior Convertible Preferred Stock [Member] | O2024Q32 Dividends [Member]                    
Dividend Shares (in shares)           7,347        
Fair Value Shares Issued [1]           $ 100,000        
Series AAA-3 Junior Preferred Stock [Member] | O2024Q41 Dividends [Member]                    
Dividend Shares (in shares)         9,294          
Fair Value Shares Issued [1]         $ 105,000          
Series AAA-3 Junior Preferred Stock [Member] | O2024Q42 Dividends [Member]                    
Dividend Shares (in shares)         9,294          
Fair Value Shares Issued [1]         $ 76,000          
Series AAA-3 Junior Preferred Stock [Member] | O2024Q43 Dividends [Member]                    
Dividend Shares (in shares)         9,294          
Fair Value Shares Issued [1]         $ 68,000          
Series AAA-4 Junior Preferred Stock [Member] | O2024Q41 Dividends [Member]                    
Dividend Shares (in shares)         5,320          
Fair Value Shares Issued [1]         $ 65,000          
Series AAA-4 Junior Preferred Stock [Member] | O2024Q42 Dividends [Member]                    
Dividend Shares (in shares)         5,320          
Fair Value Shares Issued [1]         $ 36,000          
Series AAA-4 Junior Preferred Stock [Member] | O2024Q43 Dividends [Member]                    
Dividend Shares (in shares)         5,320          
Fair Value Shares Issued [1]         $ 40,000          
[1] Fair valued based on the closing price of the Company’s common stock on the respective common stock dividend payment date.