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Note 2 - Long-term Debt (Details Textual) $ in Thousands |  |  |  |  |  |  |  |  | 6 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 01, 2019 | Jul. 01, 2018 USD ($) | Jun. 30, 2018 USD ($) | May 02, 2018 USD ($) | Feb. 28, 2017 USD ($) | Feb. 24, 2017 USD ($) | Mar. 08, 2016 USD ($) | Jul. 01, 2014 USD ($) | Oct. 31, 2019 | Dec. 31, 2017 | May 01, 2018 USD ($) | Mar. 31, 2018 USD ($) | Mar. 01, 2018 USD ($) | Mar. 07, 2016 USD ($)
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months |  |  | $ 6,000 |  |  |  |  |  |  |  |  |  |  |
Derivative, Fixed Interest Rate |  |  |  |  |  |  | 2.43% | 2.53% |  |  |  |  | 3.12% |
Derivative, Notional Amount |  |  |  |  |  |  |  | $ 14,300 |  |  |  |  |  |
Long Term Debt Maturities Repayments of Principal in Year Seven |  |  | $ 3,050 |  |  |  |  |  |  |  |  |  |  |
Ratio of Maximum Funded Indebtedness to EBITDA |  |  | 0.1 |  |  |  |  |  |  |  |  |  |  |
Fixed Charges Numerator |  |  | 0.1 |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Maturities, Repayments of Principal in Year Two |  |  | $ 6,000 |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Maturities, Repayments of Principal in Year Three |  |  | 6,000 |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Maturities, Repayments of Principal in Year Four |  |  | 6,000 |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Maturities, Repayments of Principal in Year Five |  |  | 6,000 |  |  |  |  |  |  |  |  |  |  |
Long Term Debt Maturities Repayments of Principal in Year Six |  |  | 6,000 |  |  |  |  |  |  |  |  |  |  |
Per Month through July 1, 2015 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Periodic Payment, Principal |  |  |  |  |  |  |  | 200 |  |  |  |  |  |
Per Month through June 1, 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Periodic Payment, Principal |  |  |  |  |  |  |  | $ 300 |  |  |  |  |  |
Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount |  |  | 18,000 |  |  |  |  |  |  |  |  |  | $ 18,000 |
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion |  |  |  |  |  | $ 100 |  |  |  |  |  |  |  |
Derivative, Notional Amount, Monthly Reduction Amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 300 |
Interest Rate Swap [Member] | Other Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Liability, Total |  |  |  |  |  |  |  |  |  |  |  | $ 17,500 |  |
Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Issuance Costs, Gross |  |  | $ 100 |  |  |  |  |  |  |  |  |  |  |
Credit Agreement [Member] | Term Loan 2 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  | $ 85,000 |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 3.00% |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Commitment Fee |  |  |  | 0.25% |  |  |  |  |  |  |  |  |  |
Credit Agreement [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  | $ 42,000 |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  | 2.75% |  |  |  |  |  |  |  |  |  |  |
Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan 2 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 0.93% |  |  |  |  |  |  |  |  |  |
Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 0.68% |  |  |  |  |  |  |  |  |  |
Amended and Restated Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Issuance Costs, Gross |  |  | $ 200 |  |  |  |  |  |  |  |  |  |  |
Amended Credit Agreement [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  | $ 42,000 |  | $ 45,000 |  |  |  |  |  |  |
Amended Credit Agreement [Member] | Term Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  | 0.85% |  |  |  |  |  |  |
Scenario, Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Periodic Payment, Principal |  | $ 3,300 |  |  |  |  |  |  |  |  |  |  |  |
Scenario, Forecast [Member] | Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  |  | 1.50% |  |  |  |  |
Scenario, Forecast [Member] | Amended and Restated Credit Agreement After 18 Months [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.75% |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  | 2.75% |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Credit Agreement [Member] | Fifth Third Bank [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  |  |  |  | $ 35,000 |  |  |
Revolving Credit Facility [Member] | Credit Agreement [Member] | BB&T [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  | $ 75,000 |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  |  |  | 0.10% |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Credit Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 0.68% |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Amended Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Expiration Period |  |  |  |  | 7 years |  | 5 years |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 35,000 |  | $ 20,000 |  |  |  |  |  |  | $ 15,000
Line of Credit Facility, Commitment Fee Percentage |  |  |  |  | 0.10% |  |  |  |  | 0.10% |  |  |  |
Letters of Credit Outstanding, Amount |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |
Add on Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  | 0.75% |  | 0.85% |  |  |  |  |  |  |

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