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Note 9 - Term Loans and Line of Credit Agreements (Details Textual)
$ in Thousands
6 Months Ended
Aug. 05, 2022
USD ($)
May 31, 2018
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
Dec. 31, 2022
USD ($)
Long-Term Debt, Gross     $ 32,743    
Long-Term Debt, Weighted Average Interest Rate, over Time     6.16% 5.00%  
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   $ 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   1,600
Line of Credit Facility, Remaining Borrowing Capacity     $ 2,800   $ 3,400
Line of Credit Facility, Interest Rate at Period End     8.50%    
The Line of Credit Agreement [Member] | Home Savings Bank [Member] | Prime Rate [Member]          
Debt Instrument, Basis Spread on Variable Rate   0.25% 0.25%