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v3.20.4

Note 5 - Bank Debt (Details Textual) $ in Thousands |  |  |  | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jan. 08, 2021 USD ($) | Apr. 16, 2020 USD ($) | Apr. 15, 2020 USD ($) | Apr. 30, 2022 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Apr. 30, 2020 USD ($)
Long-term Debt, Gross |  |  |  |  | $ 137,738 | $ 180,150 |
Debt Issuance Costs, Net, Total |  |  |  |  | $ 6,120 | 6,512 |
Leverage Ratio |  |  |  |  | 2.68 |  |
Debt Service Coverage Ratio |  |  |  |  | 1.22 |  |
Proceeds from Notes Payable, Total |  |  |  |  | $ 10,000 | 0 |
Interest Rate Swap [Member] |  |  |  |  |  |  |
Derivative, Fixed Interest Rate |  |  |  |  | 2.92% |  |
Derivative, Variable Interest Rate |  |  |  |  | 6.42% |  |
Derivative, Amount of Hedged Item |  |  |  |  | $ 121,000 |  |
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage Unhedged Amount |  |  |  |  | 3.50% |  |
London Interbank Offered Rate (LIBOR) Swap Rate [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |
Derivative, Basis Spread on Variable Rate |  |  |  |  | 3.50% |  |
Credit Agreement [Member] |  |  |  |  |  |  |
Debt Instrument, Covenant, Maximum Annual Capital Expenditures, Remainder of Fiscal Year |  |  | $ 30,000 |  |  |  |
Debt Instrument, Covenant, Maximum Annual Capital Expenditures, Next Fiscal Year and Thereafter |  |  | $ 25,000 |  |  |  |
Debt Instrument, Covenant, Maximum Leverage Ratio for Dividends |  |  | 2.0 |  |  |  |
Debt Instrument, Increase (Decrease), Net, Total |  |  |  |  | $ (42,400) |  |
Long-term Debt, Gross |  |  |  |  | 137,700 |  |
Debt Instrument, Unused Borrowing Capacity, Amount |  |  |  |  | 43,800 |  |
Debt Instrument, Liquidity |  |  |  |  | 51,800 |  |
Letters of Credit Outstanding, Amount |  |  |  |  | 5,700 |  |
Debt Issuance Costs, Net, Total |  |  | $ 1,900 |  | 6,100 | $ 6,500 | $ 7,900
Debt Instrument, Unhedged Portion |  |  |  |  | $ 16,700 |  |
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 December 31, 2021 [Member] |  |  |  |  |  |  |
Debt Instrument, Covenant, Minimum Debt Service Coverage Ratio |  |  | 1.05 |  |  |  |
Credit Agreement [Member] | After December 31, 2021 [Member] |  |  |  |  |  |  |
Debt Instrument, Covenant, Minimum Debt Service Coverage Ratio |  |  | 1.25 |  |  |  |
Credit Agreement [Member] | Term Loan [Member] |  |  |  |  |  |  |
Long-term Debt, Gross |  |  |  |  | $ 68,000 |  |
Credit Agreement [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | 120,000 |  |
Long-term Line of Credit, Total |  |  |  |  | 69,700 |  |
Credit Agreement [Member] | Revolving Credit Facility [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  |  | 53,000 |  |
Paycheck Protection Program CARES Act [Member] |  |  |  |  |  |  |
Proceeds from Notes Payable, Total |  | $ 10,000 |  |  |  |  |
Notes Payable, Total |  |  |  |  | 10,000 |  |
Notes Payable, Amount of Forgiveness Applied For |  |  |  |  | $ 10,000 |  |
Paycheck Protection Program CARES Act [Member] | Subsequent Event [Member] |  |  |  |  |  |  |
Notes Payable, Amount of Forgiveness Pending | $ 10,000 |  |  |  |  |  |
Forgiveness of Notes Payable, Period from Receipt of Forgiveness Application During Which Lender Will Determine Forgiveness Amount (Day) | 90 days |  |  |  |  |  |
Paycheck Protection Program CARES Act [Member] | Forecast [Member] |  |  |  |  |  |  |
Debt Instrument, Monthly Payment if Debt Instrument is Not Forgiven |  |  |  | $ 1,100 |  |  |

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