Quarterly report [Sections 13 or 15(d)]

Note 11 - CFL, Deeptrade PTY LTD and Shohan Event Organizers Co. L.L.C. Transaction (Details Textual)

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Note 11 - CFL, Deeptrade PTY LTD and Shohan Event Organizers Co. L.L.C. Transaction (Details Textual)
 1 Months Ended 3 Months Ended
Oct. 30, 2021
shares
Sep. 22, 2021
USD ($)
$ / shares
shares
Nov. 30, 2025
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Mar. 31, 2026
USD ($)
$ / shares
Mar. 31, 2025
USD ($)
shares
Dec. 31, 2025
$ / shares
Aug. 12, 2016
Proceeds from Issuance of Common Stock | $         $ 1,205,000 $ 349,413    
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares         $ 0.01   $ 0.01  
Stock Issued During Period, Value, New Issues | $         $ 2,788,400 $ 300,000    
C F L [Member]                
Percentage of Common Stock Held By Investors           2.63%    
Common Stock, Shares, Held by Investors (in shares)           269,227    
Shohan Event Organizers [Member]                
Percentage of Common Stock Held By Investors           9.05%    
Common Stock, Shares, Held by Investors (in shares)           927,600    
Shohan Event Organizers [Member] | Musical Works [Member]                
Stock Issued During Period, Shares, New Issues (in shares)     927,600          
Shares Issued, Price Per Share (in dollars per share) | $ / shares     $ 1.73          
Number of Musical Works     5          
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares     $ 0.01          
Stock Issued During Period, Value, New Issues | $     $ 1,604,748          
Deeptrade [Member]                
Percentage of Common Stock Held By Investors           8.77%    
Common Stock, Shares, Held by Investors (in shares)           898,000    
CFL Transactions [Member]                
Percentage of Common Stock Held By Investors               51.00%
Stock Issued During Period, Shares, New Issues (in shares) 37,587 47,438   12,267        
Shares Issued, Price Per Share (in dollars per share) | $ / shares   $ 21   $ 16.3        
Proceeds from Issuance of Common Stock | $   $ 1,000,000   $ 200,000        
Deeptrade Consultancy Agreement [Member]                
Stock Issued During Period, Shares, New Issues (in shares)     898,000          
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares     $ 0.01          
Stock Issued During Period, Value, New Issues | $     $ 1,616,000