v3.26.1
Note 3 - Long-Term Debt Financing (Details Textual)
3 Months Ended 6 Months Ended
Jan. 25, 2024
USD ($)
Apr. 09, 2021
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Apr. 09, 2026
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     $ 16,287,000   $ 16,287,000                
Long-Term Debt     16,216,000   16,216,000                
Amortization of Debt Issuance Costs     13,000 $ 55,000 34,000 $ 79,000              
Debt Issuance Costs, Net     71,000   71,000     $ 105,000          
Debt Issuance Costs, Gross     71,000   71,000                
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     $ 15,427,000   $ 15,427,000     16,197,000          
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     6.74%   6.74%                
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     $ 821,000   $ 821,000     1,149,000          
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     $ 39,000   $ 39,000     $ 53,000