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Note 16 - Other Income (Expenses) (Details Textual) - USD ($) $ in Thousands		12 Months Ended
	Aug. 01, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Write Down of Intangible Assets and Capitalized Contract Costs		$ 0	$ 3,513	$ 0
Purchase Agreement With DISH Wireless LLC [Member]
Purchase Agreement, Income		$ 20,030	$ 11,125	$ 0
Write Down of Intangible Assets and Capitalized Contract Costs	$ 3,500
Purchase Agreement, Duration of Monthly Fees (Year)	10 years

X

- Definition

The duration of monthly fees in a purchase agreement.

+ References

No definition available.

+ Details

Name:	tcx_PurchaseAgreementDurationOfMonthlyFees
Namespace Prefix:	tcx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of income from a purchase agreement.

+ References

No definition available.

+ Details

Name:	tcx_PurchaseAgreementIncome
Namespace Prefix:	tcx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

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

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_TypeOfArrangementAxis=tcx_PurchaseAgreementWithDISHWirelessLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: