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Note 5 - Bank Debt (Details Textual)
$ in Thousands
3 Months Ended
Apr. 15, 2020
USD ($)
Mar. 31, 2022
USD ($)
Jun. 30, 2022
Mar. 25, 2022
USD ($)
Dec. 31, 2021
USD ($)
Jul. 23, 2021
USD ($)
Long-Term Debt, Gross   $ 120,050     $ 111,738  
Debt Issuance Costs, Net, Total   $ 3,872     3,973  
Leverage Ratio   3.03        
Interest Rate Swap [Member]            
Derivative, Fixed Interest Rate   2.92%        
Derivative, Variable Interest Rate   6.92%        
Derivative, Amount of Hedged Item   $ 74,800        
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member]            
Debt Instrument, Interest Rate, Effective Percentage Unhedged Amount   4.00%        
London Interbank Offered Rate (LIBOR) [Member] | Interest Rate Swap [Member]            
Derivative, Basis Spread on Variable Rate   4.00%        
Credit Agreement [Member]            
Debt Instrument, Unused Borrowing Capacity, Amount   $ 16,300        
Debt Instrument, Liquidity   20,600        
Letters of Credit Outstanding, Amount   5,700        
Debt Issuance Costs, Net, Total   $ 3,900   $ 600 $ 4,000  
Debt Instrument, Covenant, Maximum Total Leverage Ratio   3.0        
Debt Instrument, Unhedged Portion   $ 45,300        
Credit Agreement [Member] | Interest Rate Swap [Member]            
Derivative, Fixed Interest Rate   2.92%        
Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member]            
Debt Instrument, Variable Rate Floor 0.50%          
Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]            
Debt Instrument, Basis Spread on Variable Rate 2.75%          
Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]            
Debt Instrument, Basis Spread on Variable Rate 4.00%          
Credit Agreement [Member] | Through September 30, 2022 [Member]            
Debt Instrument, Covenant, Minimum Debt Service Coverage Ratio     1.05      
Credit Agreement [Member] | After September 30, 2022 [Member]            
Debt Instrument, Covenant, Minimum Debt Service Coverage Ratio     1.25      
Credit Agreement [Member] | Term Loan [Member]            
Long-Term Debt, Gross   $ 22,100        
Credit Agreement [Member] | Revolving Credit Facility [Member]            
Line of Credit Facility, Maximum Borrowing Capacity   120,000        
Long-Term Line of Credit, Total   98,000        
Credit Agreement [Member] | Revolving Credit Facility [Member] | Interest Rate Swap [Member]            
Derivative, Notional Amount   $ 52,700        
Paycheck Protection Program CARES Act [Member]            
Proceeds from Notes Payable, Total $ 10,000          
Notes Payable, Total           $ 10,000