v3.26.3
Note 10 - Notes Payable (Details Textual)
3 Months Ended 9 Months Ended
Sep. 29, 2026
USD ($)
shares
Aug. 10, 2026
USD ($)
shares
Jul. 28, 2026
USD ($)
shares
Apr. 30, 2026
Oct. 27, 2025
USD ($)
shares
Sep. 30, 2025
USD ($)
Oct. 01, 2024
USD ($)
Jun. 24, 2024
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Proceeds from Debt, Net of Issuance Costs                   $ 0 $ 1,000,000
Reverse Stock Split [Member]                      
Stockholders' Equity Note, Stock Split, Conversion Ratio       10              
Conversion of Partitioned Notes to Common Stock [Member]                      
Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares         42,903            
Conversion of 2025 Partitioned Note into Common Stock [Member]                      
Debt Instrument, Face Amount   $ 150,000 $ 200,000                
Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares 247,805 37,792 43,308                
Debt Conversion, Original Debt, Amount $ 416,316 $ 150,000 $ 200,000                
Warrant Inducement Agreement [Member]                      
Proceeds from Issuance of Warrants                 $ 1,900,000    
The 2024 Note [Member] | Senior Secured Promissory Note [Member]                      
Debt Instrument, Face Amount           $ 1,459,000   $ 2,360,000     1,459,000
Debt Instrument, Unamortized Discount               350,000      
Payments of Financing Costs               10,000      
Proceeds from Debt, Net of Issuance Costs               $ 2,000,000      
Debt Instrument, Interest Rate, Stated Percentage               9.00%      
Debt Instrument, Exit Fee Percentage               7.00%      
Debt Instrument, Mandatory Prepayment, Percentage               40.00%      
Debt Instrument, Percentage of Proceeds Repaid             40.00%        
Repayments of Debt             $ 762,600        
Long-Term Debt, Gross           338,400         338,400
Debt Instrument, Increase (Decrease), Net         $ (327,991)            
The 2024 Note [Member] | Senior Secured Promissory Note [Member] | Maximum [Member]                      
Debt Instrument, Redemption Amount               $ 270,000      
Promissory Note 1 [Member]                      
Debt Instrument, Face Amount         261,841            
Promissory Note 2 [Member]                      
Debt Instrument, Face Amount         66,150            
The 2025 Note [Member] | Senior Secured Promissory Note [Member]                      
Debt Instrument, Face Amount           1,130,000         1,130,000
Debt Instrument, Unamortized Discount           125,000         $ 125,000
Payments of Financing Costs           5,000          
Proceeds from Debt, Net of Issuance Costs           $ 1,000,000          
Debt Instrument, Interest Rate, Stated Percentage           9.00%         9.00%
Debt Instrument, Exit Fee Percentage           7.00%         7.00%
Debt Instrument, Redemption Amount           $ 0         $ 0
Debt Instrument, Mandatory Prepayment, Percentage           40.00%         40.00%
Repayments of Debt         $ 455,000            
Debt Instrument, Reduction in Outstanding Balance at The End Of Each Month           $ 135,000          
Debt Instrument, Increase (Decrease), Percentage           1.00%         1.00%
The 2025 Note [Member] | Senior Secured Promissory Note [Member] | Maximum [Member]                      
Debt Instrument, Redemption Amount           $ 135,000         $ 135,000