Note 17 - Other Income (Details Textual) - Purchase Agreement With DISH Wireless LLC [Member] - USD ($) $ in Thousands		3 Months Ended
Aug. 01, 2020	Mar. 31, 2022	Mar. 31, 2021
Write Down of Intangible Assets and Capitalized Contract Costs	$ 3,500
Purchase Agreement, Duration of Monthly Fees (Year)	10 years
Purchase Agreement, Income		$ 4,752	$ 5,395

The amount of write down of intangible assets and capitalized contract costs.

No definition available.

Name:	tcx_WriteDownOfIntangibleAssetsAndCapitalizedContractCosts
Namespace Prefix:	tcx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration