Note 2 - Significant Accounting Policies (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||
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Dec. 31, 2020 | ||||||||||||||||||||||||||||||||||||
| Notes Tables | ||||||||||||||||||||||||||||||||||||
| Property, Plant and Equipment, Useful Life [Table Text Block] |
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| X | ||||||||||
- Definition Tabular disclosure for the useful life of property, plant and equipment. No definition available.
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| X | ||||||||||
- References No definition available.
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