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Note 11 - Debt (Details Textual) - USD ($) $ in Thousands |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 21, 2018 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 21, 2019
Proceeds from Long-term Lines of Credit |  |  |  |  | $ 0 | $ 100,000 | $ 16,000 |
Long-term Line of Credit, Total |  |  | $ 50,000 |  | 0 | 50,000 |  |
Revolving Credit Facility [Member] | The Facility [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 165,000 |  |  |  |  |  |  |
Debt Issuance Costs, Net, Total |  |  |  |  |  |  |  | $ 600
Proceeds from Long-term Lines of Credit |  |  |  | $ 100,000 |  |  |  |
Repayments of Long-term Lines of Credit |  | $ 50,000 | 50,000 |  |  |  |  |
Long-term Line of Credit, Total |  |  | 50,000 |  |  | 50,000 |  |
Interest Expense, Debt, Total |  |  |  |  | 300 | 500 |  |
Debt Covenant, Fixed Charge Coverage Ratio, Maximum Unused Availability | $ 18,500 |  |  |  |  |  |  |
Debt Instrument, Covenant, Minimum Fixed Charge Coverage Ratio | 1.0 |  |  |  |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  | 58,900 |  | 75,700 | 58,900 |  |
Revolving Credit Facility [Member] | The Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.00% |  |  |  |  |  |  |
Revolving Credit Facility [Member] | The Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.50% |  |  |  |  |  |  |
Revolving Credit Facility [Member] | The Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 2.00% |  |  |  |  |  |  |
Revolving Credit Facility [Member] | The Facility [Member] | Fed Funds Effective Rate Overnight Index Swap Rate [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.50% |  |  |  |  |  |  |
Revolving Credit Facility [Member] | The Facility [Member] | Additional Margin on Variable Rate Option [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.50% |  |  |  |  |  |  |
Revolving Credit Facility [Member] | The Facility [Member] | Additional Margin on Variable Rate Option [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.00% |  |  |  |  |  |  |
Standby Letters of Credit [Member] | The Facility [Member] |  |  |  |  |  |  |  |
Letters of Credit Outstanding, Amount |  |  | $ 5,800 |  | $ 5,000 | $ 5,800 |  |

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- Definition The maximum amount of unused availability under the credit facility that may be held before the fixed charge coverage ratio will apply. + References No definition available. + Details
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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