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Note 2 - Long-term Debt (Details Textual) - USD ($) $ in Thousands |  |  |  |  |  |  |  | 6 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 01, 2019 | Jul. 01, 2018 | May 02, 2018 | Feb. 28, 2017 | Feb. 24, 2017 | Mar. 08, 2016 | Jul. 01, 2014 | Oct. 31, 2019 | Dec. 31, 2017 | Sep. 30, 2018 | May 01, 2018 | Mar. 01, 2018 | Mar. 07, 2016
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months |  |  |  |  |  |  |  |  |  | $ 6,000 |  |  |
Long Term Debt Maturities Repayments of Principal in Year Seven |  |  | $ 3,050 |  |  |  |  |  |  | 1,500 |  |  |
Derivative, Fixed Interest Rate |  |  |  |  |  | 2.43% | 2.53% |  |  |  |  | 3.12% |
Derivative, Notional Amount |  |  |  |  |  |  | $ 14,300 |  |  |  |  |  |
Debt Instrument, Periodic Payment, Principal |  | $ 3,300 |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Parent, Ending Balance |  |  |  |  |  |  |  |  | $ 124,968 | 150,709 |  |  |
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] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Parent, Ending Balance |  |  |  |  |  |  |  |  |  | 100 |  |  |
Interest Rate Swap [Member] | Other Current Liabilities [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Notional Amount |  |  | 17,500 |  |  |  |  |  |  |  |  |  |
Derivative Liability, Total |  |  | 100 |  |  |  |  |  |  |  |  |  |
Interest Rate Swap [Member] | Prepaid Expenses and Other Current Assets [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Asset, Total |  |  |  |  |  |  |  |  |  | 200 |  |  |
Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Issuance Costs, Gross |  |  |  |  |  |  |  |  |  | $ 100 |  |  |
Credit Agreement [Member] | Term Loan 2 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  | $ 85,000 |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  |  |  |  |  |  |  | 3.11% |  |  |
Debt Instrument, Commitment Fee |  |  | 0.25% |  |  |  |  |  |  |  |  |  |
Credit Agreement [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  | $ 42,000 |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  |  |  |  |  |  |  | 2.86% |  |  |
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] | 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] | 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] | 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% |  |  |  |  |  |  |

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the seventh fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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