Note 8 - Financial Instruments and Risks - Average USD Fair Value Measurements for Contracts Rates (Details) |
Dec. 31, 2017 |
Jan. 01, 2017 |
|---|---|---|
| Average USD:CAD contract rate | 18.69% | 18.47% |
| Average USD:CAD mark-to-market rate | 20.11% | 21.20% |
| Canada, Dollars | ||
| Average USD:CAD contract rate | 1.29% | 1.34% |
| Average USD:CAD mark-to-market rate | 1.26% | 1.34% |
| X | ||||||||||
- Definition Market to market average stated rate on a group of interest rate forward or futures contracts. No definition available.
|
| X | ||||||||||
- Definition Average stated rate on a group of interest rate forward or futures contracts. No definition available.
|
| X | ||||||||||
- Details
|