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Note 17 - Subsequent Events (Details) $ in Millions | Feb. 09, 2016 USD ($)
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Subsequent Event [Member] | Stock Buyback Program 2016 [Member] |
Note 17 - Subsequent Events (Details) [Line Items] |
Stock Repurchase Program, Authorized Amount | $ 40

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- References No definition available. + Details
Name: | tcx_Note17SubsequentEventsDetailsLineItems
Namespace Prefix: | tcx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=tcx_StockBuybackProgram2016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |