Note 8 - Capital (Details Textual) - shares |
12 Months Ended | |
|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Number of Certificates Exchanged | 0 | 0 |
| Certificate [Member] | ||
| Number of Shares Used In Ratio | 1 | |
| Sub Shares [Member] | ||
| Number of Shares Used In Ratio | 3,000 |
| X | ||||||||||
- Definition The number of certificates that were exchanged. No definition available.
|
| X | ||||||||||
- Definition The number of shares that are used in the ratio. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|