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Note 9 - Term Loans and Line of Credit Agreements (Details Textual)
$ in Thousands
3 Months Ended 9 Months Ended
Aug. 05, 2022
USD ($)
May 31, 2018
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2022
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
Dec. 31, 2022
USD ($)
Long-Term Debt, Gross     $ 32,601   $ 32,601      
Payments of Debt Issuance Costs         $ (0) $ 277    
Long-Term Debt, Weighted Average Interest Rate, over Time     6.18% 5.69% 6.15% 5.27%    
New Term Loan Agreement [Member] | Laurel Capital Corporation [Member]                
Long-Term Debt, Gross $ 31,000              
Payments of Debt Issuance Costs 400              
Proceeds from Issuance of Debt $ 10,400              
Restricted Cash               $ 10,500
Debt Instrument, Periodic Payment, Number of Payments 119              
Debt Instrument, Maturity Schedule 15 years              
Debt Instrument, Interest Rate, Stated Percentage, First Five Years 6.00%              
Debt Instrument, Interest Rate, Minimum Stated Percentage, After Seven Years 6.00%              
Debt Instrument, Interest Rate, Maximum Stated Percentage, After Year Seven 8.50%              
Debt Instrument, Prepayment Penalty, Percentage, First Five Years 6.00%              
Debt Instrument, Prepayment Penalty, Percentage, Years Six and Seven 4.00%              
Debt Instrument, Prepayment Penalty, Percentage, Years Eight and Nine 3.00%              
Debt Instrument, Prepayment Penalty, Percentage, Year Ten 2.00%              
Debt Instrument, Covenant, Fixed Charge Coverage Ratio 1.20              
Debt Issuance Costs, Net $ 600              
New Term Loan Agreement [Member] | Laurel Capital Corporation [Member] | Three Day Treasury Rate Two Days Prior to Reset [Member]                
Debt Instrument, Basis Spread on Variable Rate 3.40%              
The 2019 Term Loan Agreement [Member] | Mercer County State Bank [Member]                
Repayments of Debt $ 20,200              
The Line of Credit Agreement [Member] | Home Savings Bank [Member]                
Debt Instrument, Covenant, Fixed Charge Coverage Ratio         1.20      
Line of Credit Facility, Maximum Borrowing Capacity   $ 5,000            
Line of Credit Facility, Amounts in Excess of, Subject to Borrowing Base   $ 1,000            
Proceeds from Lines of Credit, Total     $ 2,200   $ 2,200   $ 2,200 1,600
Line of Credit Facility, Remaining Borrowing Capacity     $ 2,800   $ 2,800     $ 3,400
Line of Credit Facility, Interest Rate at Period End     8.75%   8.75%      
The Line of Credit Agreement [Member] | Home Savings Bank [Member] | Prime Rate [Member]                
Debt Instrument, Basis Spread on Variable Rate   0.25%     0.25%