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Note 8 - Goodwill and Patents (Detail) (Patents [Member])
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3 Months Ended |
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Dec. 31, 2012
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Patents [Member]
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| Finite-Lived Intangible Asset, Useful Life | 17 years |
| X | ||||||||||
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- 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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