v3.25.2
Note 7 - Notes Payable (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Sep. 26, 2024
Oct. 16, 2023
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
May 05, 2025
Dec. 31, 2024
Aug. 23, 2024
Aug. 22, 2024
Jul. 25, 2024
Jul. 18, 2024
Jul. 01, 2024
Jun. 25, 2024
May 30, 2024
Long-Term Debt     $ 1,500,000   $ 1,500,000                    
Mr. Jenkins [Member]                              
Debt Instrument, Face Amount     500,000   500,000                    
FatBoy Capital [Member] | Notes Payable 1 [Member]                              
Debt Instrument, Face Amount     150,000   150,000                    
FatBoy Capital [Member] | Notes Payable 2 [Member]                              
Debt Instrument, Face Amount     250,000   250,000                    
FatBoy Capital [Member] | Notes Payable 3 [Member]                              
Debt Instrument, Face Amount     100,000   100,000                    
Jenkins Family Charitable Institute [Member]                              
Debt Instrument, Face Amount     500,000   500,000                    
Related Party [Member]                              
Notes Payable, Current     1,500,000   1,500,000     $ 0              
Cardionomix Promissory Note [Member]                              
Debt Instrument, Face Amount             $ 1,500,000                
Debt Instrument, Interest Rate, Stated Percentage             4.00%                
Interest Expense, Debt     19,000   19,000                    
Long-Term Debt             $ 1,300,000                
Debt Instrument, Unamortized Discount     245,000   245,000   $ 254,000                
Debt Instrument, Interest Rate, Effective Percentage             10.00%                
Notes Payable     1,300,000   1,300,000                    
Notes Payable, Principal     1,500,000   1,500,000                    
Interest Payable     9,000   9,000                    
Related Party Notes [Member] | Mr. Jenkins [Member]                              
Debt Instrument, Face Amount                             $ 500,000
Related Party Notes [Member] | FatBoy Capital [Member] | Notes Payable 1 [Member]                              
Debt Instrument, Face Amount                           $ 150,000  
Related Party Notes [Member] | FatBoy Capital [Member] | Notes Payable 2 [Member]                              
Debt Instrument, Face Amount                         $ 250,000    
Related Party Notes [Member] | FatBoy Capital [Member] | Notes Payable 3 [Member]                              
Debt Instrument, Face Amount                       $ 100,000      
Related Party Notes [Member] | Jenkins Family Charitable Institute [Member]                              
Debt Instrument, Face Amount                     $ 500,000        
Related Party Notes [Member] | Related Party [Member]                              
Debt Instrument, Interest Rate, Stated Percentage                 12.00% 8.00%          
Interest Expense, Debt     45,000 $ 4,000 90,000 $ 4,000                  
Notes Payable     1,700,000   1,700,000     1,600,000              
Interest Payable     151,000   151,000     61,000 $ 21,000            
Short-term Financing Arrangement With Insurance Carrier [Member]                              
Debt Instrument, Face Amount   $ 290,000                          
Debt Instrument, Term (Year)   8 months                          
Debt Instrument, Interest Rate, Stated Percentage   8.99%                          
Interest Expense, Debt       $ 1,000   $ 4,000                  
Notes Payable, Current     0   0     0              
Short-term Financing Arrangement With Insurance Carrier 2 [Member]                              
Debt Instrument, Face Amount $ 249,000                            
Debt Instrument, Term (Year) 10 months                            
Debt Instrument, Interest Rate, Stated Percentage 9.99%                            
Interest Expense, Debt     2,000   6,000                    
Notes Payable, Current     $ 26,000   $ 26,000     $ 177,000              
Directors and Officers Liability Insurance [Member]                              
Malpractice Insurance, Coverage Floor $ 293,000 $ 447,000                          
Payments for Malpractice Insurance $ 44,000 $ 157,000