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Note 10 - Leases and Purchase Commitments (Details Textual) - USD ($) | Jun. 30, 2020 | Jul. 01, 2019 | Jun. 30, 2019
--- | --- | --- | ---
Contractual Obligation, Total | $ 14,300,000 |  | $ 19,700,000
Operating Lease, Right-of-Use Asset | 8,663,000 |  |
Operating Lease, Liability, Total | $ 9,397,000 |  |
Accounting Standards Update 2016-02 [Member] |  |  |
Operating Lease, Right-of-Use Asset |  | $ 10,400,000 |
Operating Lease, Liability, Total |  | $ 10,800,000 |
Minimum [Member] |  |  |
Operating Lease, Weighted Average Remaining Lease Term (Year) | 1 year |  |
Maximum [Member] |  |  |
Operating Lease, Weighted Average Remaining Lease Term (Year) | 5 years |  |

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- Definition Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments. + References No definition available. + Details
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- Definition Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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