Note 9 - Commitments and Contingencies (Tables) |
12 Months Ended | |||||||||||||||||||||||||
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Dec. 31, 2018 | ||||||||||||||||||||||||||
| Notes Tables | ||||||||||||||||||||||||||
| Lessee, Operating Lease, Liability, Maturity [Table Text Block] |
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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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- References No definition available.
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