Note 4 - Segment Information and Significant Customers (Details Textual) |
3 Months Ended | |
|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
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| Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | ||
| Concentration Risk, Percentage | 0.00% | 0.00% |
| Number of Reportable Segments | 3 | |
| X | ||||||||||
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. No definition available.
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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