Note 7 - Note Payable (Tables) |
3 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2021 | ||||||||||||||||||||||||||||||||||||||||||||||
| Notes Tables | ||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Debt [Table Text Block] |
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| X | ||||||||||
- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. No definition available.
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| X | ||||||||||
- References No definition available.
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