Note 8 - Goodwill and Patents (Details Textual) |
6 Months Ended |
|---|---|
Mar. 31, 2016 | |
| Patents [Member] | Maximum [Member] | |
| Finite-Lived Intangible Asset, Useful Life | 20 years |
| Number of Patents Granted | 5 |
| Number of Patents Pending | 6 |
| X | ||||||||||
- Definition Represents the number of patents granted in the United States. No definition available.
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| X | ||||||||||
- Definition Represents the number of patents pending. No definition available.
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| 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.
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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