Note 1 - Description of Business and Summary of Significant Accounting Policies (Details Textual) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
|
Jun. 30, 2018
USD ($)
|
Jun. 30, 2017
USD ($)
|
Jun. 30, 2016
USD ($)
|
|
| Advertising Expense | $ 3,800 | $ 4,500 | $ 5,200 |
| Available-for-Sale Securities, Debt Maturities, Date Range Low | 90 days | ||
| Available-for-sale Securities, Debt Maturities, Date Range High | 6 years | ||
| Impairment of Long-Lived Assets Held-for-use | $ 0 | ||
| Number of Reporting Units | 1 | ||
| Goodwill, Impairment Loss | $ 0 | ||
| Minimum [Member] | |||
| Finite-Lived Intangible Asset, Useful Life | 1 year | ||
| Maximum [Member] | |||
| Finite-Lived Intangible Asset, Useful Life | 20 years | ||
| Equipment [Member] | |||
| Property, Plant and Equipment, Useful Life | 5 years | ||
| Building, Building Improvements and Leasehold Improvements [Member] | Minimum [Member] | |||
| Property, Plant and Equipment, Useful Life | 5 years | ||
| Building, Building Improvements and Leasehold Improvements [Member] | Maximum [Member] | |||
| Property, Plant and Equipment, Useful Life | 40 years | ||
| X | ||||||||||
- Definition Date of maturity of a debt security categorized as neither trading nor held-to-maturity. No definition available.
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| X | ||||||||||
- Definition Date of maturity of a debt security categorized as neither trading nor held-to-maturity. No definition available.
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| X | ||||||||||
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
|
| X | ||||||||||
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. No definition available.
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| X | ||||||||||
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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| X | ||||||||||
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