Note 5 - Capital Stock - Common Shares Issued and Outstanding (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Jan. 01, 2017 |
Jan. 03, 2016 |
Dec. 28, 2014 |
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| Exchangeable Shares [Member] | |||
| Exchangeable shares: | |||
| Issued for conversion to common stock (in shares) | 20 | ||
| Conversion to common stock (in shares) | (20) | ||
| Balance (in shares) | 0 | ||
| Conversion of restricted stock units (in shares) | 20 | ||
| Balance (in shares) | 0 | 0 | |
| Common Shares [Member] | |||
| Exchangeable shares: | |||
| Conversion to common stock (in shares) | (25,125) | (67,779) | (20) |
| Balance (in shares) | 16,485,055 | 16,417,276 | 16,417,256 |
| Balance | $ 391 | $ 390 | $ 390 |
| Conversion of restricted stock units (in shares) | 25,125 | 67,779 | 20 |
| Conversion of restricted stock units | $ 1 | ||
| Balance (in shares) | 16,510,180 | 16,485,055 | 16,417,276 |
| Balance | $ 391 | $ 391 | $ 390 |
| Balance | $ 391 | $ 391 | $ 390 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Value of all classes of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares exclude common shares repurchased by the entity and held as treasury shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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