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Note 6 - Borrowings (Details Textual) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Oct. 21, 2014 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($)
Debt Instrument, Term | 5 years |  |
Debt Agreement, Maximum Borrowing Capacity | $ 150,000 |  |
Debt Issuance Costs, Net | 1,500 | $ 579 | $ 889
Letters of Credit Outstanding, Amount |  | 100 | 200
Line of Credit Facility, Remaining Borrowing Capacity |  | $ 114,900 | $ 89,800
Term Loan [Member] |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  | 3.00% |
Revolving Credit Facility [Member] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 115,000 |  |
Line of Credit Facility, Interest Rate at Period End |  | 2.5625% |
Debt Instrument, Covenant, Percentage of Total Revolving Credit | 20.00% |  |
Repayments of Lines of Credit |  | $ 25,000 |
Revolving Credit Facility [Member] | Minimum [Member] |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.15% |  |
Revolving Credit Facility [Member] | Maximum [Member] |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.25% |  |
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.00% |  |
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.50% |  |
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.75% |  |
Revolving Credit Facility [Member] | Federal Funds Effective Swap Rate [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.50% |  |
Revolving Credit Facility [Member] | Additional Margin on Variable Rate Option [Member] | Minimum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.50% |  |
Revolving Credit Facility [Member] | Additional Margin on Variable Rate Option [Member] | Maximum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.75% |  |
Letter of Credit [Member] | Minimum [Member] |  |  |
Line of Credit Facility, Interest Rate During Period | 1.50% |  |
Letter of Credit [Member] | Maximum [Member] |  |  |
Line of Credit Facility, Interest Rate During Period | 1.75% |  |
Term Loan [Member] |  |  |
Long-term Debt | $ 35,000 |  |
Debt Instrument, Amortization Period | 15 years |  |
Debt Instrument, Covenant, Minimum Fixed Charge Coverage Ratio | 1.1 |  |
Debt Covenant, Fixed Charge Coverage Ratio, Maximum Outstanding Term Loans | $ 17,500 |  |
Debt Instrument, Covenant, Minimum Fixed Charge Coverage Ratio for Covenant to Cease to Apply | 1.25 |  |
Debt Instrument, Covenant, Minimum Percentage of Total Revolving Credit to Avoid Triggering Fixed Charge Coverage Ratio Covenant | 15.00% |  |
Term Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.00% |  |
Term Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.75% |  |
Term Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 2.25% |  |
Term Loan [Member] | Federal Funds Effective Swap Rate [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.50% |  |
Term Loan [Member] | Additional Margin on Variable Rate Option [Member] | Minimum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.75% |  |
Term Loan [Member] | Additional Margin on Variable Rate Option [Member] | Maximum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.25% |  |

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- Definition Maximum borrowing capacity under a debt agreement on the amount that could be borrowed with a combination of, but not limited to, a line of credit and term loan. + References No definition available. + Details
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- Definition The maximum amount of outstanding term loans is one of two conditions that must me be met in order for the fixed charge coverage ratio to cease to exist. + References No definition available. + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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=6877327&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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