v3.26.1
Note 3 - Long-Term Debt Financing (Details Textual)
3 Months Ended
Jan. 25, 2024
USD ($)
Apr. 09, 2021
USD ($)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Sep. 30, 2025
USD ($)
Dec. 31, 2024
Dec. 18, 2024
USD ($)
Nov. 30, 2024
Jun. 30, 2020
Long-Term Debt, Gross     $ 16,927,000              
Long-Term Debt     16,843,000              
Debt Issuance Costs, Gross     84,000              
Amortization of Debt Issuance Costs     21,000 $ 24,000            
Debt Issuance Costs, Net     84,000   $ 105,000          
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]   Secured Overnight Financing Rate (SOFR) [Member]                
The Credit Agreement [Member] | Fifth Third Bank, N.A. [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity   $ 22,000,000                
Number of Debt Instruments   3                
Debt Instrument, Covenant, Minimum Fixed Charge Coverage Ratio   1.25                
Debt Instrument, Covenant, Maximum Funded Debt to EDITDA Ratio   3                
Debt Instrument, Covenant, Minimum Unrestricted Cash           $ 5,000,000        
The Credit Agreement, First Loan and Second Loan Facility [Member] | Fifth Third Bank, N.A. [Member]                    
Debt Instrument, Face Amount   $ 9,500,000                
Long-Term Debt     15,895,000   16,197,000          
Debt Issuance Costs, Gross     $ 0   0          
The Credit Agreement, Second Loan Facility [Member] | Fifth Third Bank, N.A. [Member]                    
Debt Instrument, Face Amount   5,500,000                
The Credit Agreement, Third Loan Facility [Member] | Fifth Third Bank, N.A. [Member] | Revolving Credit Facility [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity   $ 7,000,000                
Debt Instrument, Term (Year)   5 years                
Debt Instrument, Basis Spread on Variable Rate   3.00%                
Debt Instrument, Interest Rate, Effective Percentage     6.86%              
Long-Term Debt, Gross     $ 7,075,000              
The Credit Agreement, 2024 Supplemental Term Loan [Member] | Fifth Third Bank, N.A. [Member]                    
Debt Instrument, Face Amount $ 2,700,000             $ 7,000,000    
Debt Instrument, Basis Spread on Variable Rate 3.00%                  
Debt Instrument, Variable Rate, Floor 0.00%                  
DFC Loan, Tranche One [Member]                    
Debt Instrument, Number of Installments                   29
Debt Instrument, Interest Rate, Stated Percentage                   3.67%
DFC Loan, Tranche Two [Member]                    
Debt Instrument, Number of Installments                   16
Debt Instrument, Interest Rate, Stated Percentage                   7.49%
DFC Loan [Member]                    
Long-Term Debt     985,000   1,149,000          
Debt Issuance Costs, Gross     0   0          
GKCE Loan One [Member]                    
Debt Instrument, Interest Rate, Stated Percentage                 12.60%  
Debt Instrument, Number of Monthly Installment                 12  
GKCE Loan Two [Member]                    
Debt Instrument, Interest Rate, Stated Percentage             12.78%      
Debt Instrument, Number of Monthly Installment             36      
GKCE Loans [Member]                    
Long-Term Debt     $ 47,000   $ 53,000