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v3.19.3.a.u2

Note 16 - Other Income, Net (Details Textual) - Joint Marketing Agreement [Member] - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2015 | Dec. 31, 2018 | Dec. 31, 2017
Other Nonrecurring Gain | $ 1.5 | $ 0.5 | $ 0.5
Other Non-recurring Gain, Term of Recognition | 3 years |  |

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- Definition The term over which the nonrecurring gain is recognized. + References No definition available. + Details
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Namespace Prefix: | tcx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of gain that is infrequent in occurrence or unusual in nature. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=114868883&loc=SL114871943-224233 + Details
Name: | us-gaap_OtherNonrecurringGain
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |