Note 9 - Lease Liability (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||
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Dec. 31, 2019 | ||||||||||||||||||||||||||||||||||||
| Notes Tables | ||||||||||||||||||||||||||||||||||||
| Lessee, Operating Lease, Liability, Maturity [Table Text Block] |
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| Lessee, Operating Lease Liability and Weighted Average [Table Text Block] |
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| Schedule of Right-of-use Asset Obtained in Exchange For Operating Lease Liability [Table Text Block] |
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| Lease, Cost [Table Text Block] |
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| X | ||||||||||
- Definition Tabular disclosure of lessee's operating lease liability and weighted average of operating lease liability. No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of right-of-use assets obtained in exchange for operating lease liability. No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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