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Note 12 - Fair Value Measurement (Details Textual) $ in Millions | Sep. 30, 2020 USD ($)
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Notes Payable, Fair Value Disclosure | $ 468.3
Fair Value, Inputs, Level 1 [Member] |
Notes Payable, Fair Value Disclosure | $ 514.6

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- Definition Fair value portion of notes payable. + 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 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |