v3.26.1
Note 2 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 10, 2026
Feb. 20, 2024
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Aug. 05, 2024
Contract with Customer, Liability, Revenue To Be Recognized     $ 0   $ 200,000   $ 0 $ 200,000    
Contract with Customer, Liability     0       0   $ 141,000  
Contract with Customer, Performance Obligation Satisfied in Previous Period     $ 0   0   $ 0 0    
Preferred Stock, Shares Authorized (in shares)     10,000,000       10,000,000      
Net Income (Loss) Attributable to Parent     $ (2,232,861) $ 1,121,605 $ (470,742) $ (3,542,865) $ (1,111,256) (4,013,607)    
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation             1,172,911 $ (3,345,373)    
Cash     $ 4,557,784       $ 4,557,784   4,158,723  
Series A Convertible Preferred Stock [Member]                    
Preferred Stock, Shares Authorized (in shares)     22,000       22,000      
Preferred Stock, Par or Stated Value Per Share (in dollars per share)     $ 0.0001       $ 0.0001      
Preferred Stock, Stated Value     $ 1,000       $ 1,000     $ 1,000
Preferred Stock, Convertible, Shares Issuable (in shares)     7,213,115       7,213,115     7,213,115
Spectrum Loan Facility [Member]                    
Proceeds from Accounts Receivable Factoring $ 3,750,000 $ 3,750,000                
Accounts Receivable Secured Debt Facility, Receivables Assigned     $ 700,000       $ 700,000   600,000  
Accounts Receivable Secured Debt Facility, Amount Due     227,000       227,000   $ 13,000  
Line of Credit Facility, Maximum Borrowing Capacity     $ 3,750,000       $ 3,750,000