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v3.22.1

Note 3 - Long-term Debt (Details Textual) - USD ($) $ in Thousands |  | 9 Months Ended |
--- | --- | --- | ---
Feb. 08, 2021 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Interest Rate Swap [Member] |  |  |  |
Derivative Liability, Notional Amount |  | $ 7,500 |  |
Gain (Loss) on Derivative Instruments, Net, Pretax, Total |  |  | $ (300) |
Credit Agreement [Member] |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.15% |  |  |
Credit Agreement [Member] | Term Loan 2 [Member] |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  | 0.93% |  |
Long-Term Debt, Maturity, Remainder of Fiscal Year |  | $ 2,300 |  |
Long-Term Debt, Maturity, Year One |  | 9,300 |  |
Long-Term Debt, Maturity, Year Three |  | 9,300 |  |
Long-Term Debt, Maturity, Year Five |  | 3,100 |  |
Long-Term Debt, Maturity, Year Two |  | 9,300 |  |
Long-Term Debt, Maturity, Year Four |  | 9,300 |  |
Credit Agreement [Member] | Term Loan [Member] |  |  |  |
Long-Term Debt, Maturity, Remainder of Fiscal Year |  | 1,500 |  |
Long-Term Debt, Maturity, Year One |  | 6,000 |  |
Long-Term Debt, Maturity, Year Three |  | 3,000 |  |
Long-Term Debt, Maturity, Year Two |  | $ 6,000 |  |
Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan 2 [Member] | Minimum [Member] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.85% |  |
Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan 2 [Member] | Maximum [Member] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.65% |  |
Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member] | Minimum [Member] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.68% |  |
Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member] | Maximum [Member] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.50% |  |
Credit Agreement [Member] | Revolving Credit Facility [Member] |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  | 0.93% |  |
Credit Agreement [Member] | Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |
Debt Instrument, LIBOR Floor | 0.25% |  |  |
Credit Agreement [Member] | Revolving Credit Facility [Member] | Truist Bank [Member] |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 125,000 |  |  | $ 75,000
Credit Agreement [Member] | Revolving Credit Facility [Member] | Truist Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |
Debt Instrument, LIBOR Floor | 0.25% |  |  | 0.00%
Credit Agreement [Member] | Term Loan [Member] |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  | 0.76% |  |
Credit Agreement [Member] | Letter of Credit [Member] |  |  |  |
Letters of Credit Outstanding, Amount |  | $ 0 |  |

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