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Note 8 - Debt and Credit Agreements (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Aug. 04, 2022
Long-Term Debt, Current Maturities $ 18,089 $ 1,170  
Development Corporation of Abilene Loan [Member]      
Notes Payable 1,060 1,094  
Notes Payable, Other Payables [Member]      
Long-Term Debt, Current Maturities $ 62 $ 88  
Debt Instrument, Interest Rate, Stated Percentage 5.00%    
Notes Payable, Other Payables [Member] | Minimum [Member]      
Debt Instrument, Periodic Payment, Total $ 3    
Notes Payable, Other Payables [Member] | Maximum [Member]      
Debt Instrument, Periodic Payment, Total 16    
The 2022 Credit Facility [Member]      
Line of Credit, Current 23,892    
Line of Credit Facility, Remaining Borrowing Capacity 10,567    
Revolving Credit Facility [Member]      
Line of Credit, Current $ 16,945    
Debt Instrument, Interest Rate, Effective Percentage 6.83% 6.55%  
Revolving Credit Facility [Member] | The 2022 Credit Facility [Member]      
Line of Credit Facility, Maximum Borrowing Capacity     $ 35,000
Line of Credit Facility, Optional Increase in Maximum Borrowing Capacity     10,000
Debt Instrument, Face Amount     $ 7,578
Debt Issuance Costs, Net $ 479    
Accumulated Amortization, Debt Issuance Costs 64    
Senior Secured Term Loan [Member]      
Line of Credit, Current $ 6,947    
Debt Instrument, Interest Rate, Effective Percentage 7.33% 6.80%