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Note 4 - Property and Equipment (Details Textual) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Property, Plant and Equipment, Fully Depreciated Writedown | $ 16,951 | $ 0 | $ 0

X
- Definition The cost of property, plant and equipment written off during the period due to being fully depreciated. + References No definition available. + Details
Name: | tcx_PropertyPlantAndEquipmentFullyDepreciatedWritedown
Namespace Prefix: | tcx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration