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Note 11 - Common Shares (Tables) | 12 Months Ended
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Dec. 31, 2015
Stockholders' Equity Note [Abstract] |
Share Repurchases [Table Text Block] |
|  | Year Ended December 31, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Common stock repurchased on the open market or through tender offer |  |  |  |  |  |  |  |  |  |  |  |
Number of shares |  |  | 1,062,456 |  |  |  | 79,392 |  |  |  | 1,064,299 |
Aggregate market value of shares (in thousands) |  | $ | 23,616 |  |  | $ | 1,182 |  |  | $ | 6,538 |
Average price per share |  | $ | 22.23 |  |  | $ | 14.89 |  |  | $ | 6.14 |
Common stock received in connection with share-based compensation |  |  |  |  |  |  |  |  |  |  |  |
Number of shares |  |  | 99,675 |  |  |  | — |  |  |  | — |
Aggregate market value of shares (in thousands) |  | $ | 2,335 |  |  | $ | — |  |  | $ | — |
Average price per share |  | $ | 23.42 |  |  | $ | — |  |  | $ | — |

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- Definition The schedule of share repurchases. + References No definition available. + Details
Name: | tcx_ShareRepurchasesTableTextBlock
Namespace Prefix: | tcx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration