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Note 16 - Commitments and Contingencies (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Feb. 09, 2015
Note 16 - Commitments and Contingencies (Details) [Line Items]
Operating Leases, Rent Expense	$ 1,000,000	$ 900,000	$ 800,000
Guarantee Obligations [Member] | Lease and Network Operations Agreement [Member] | Ting Fiber Inc. [Member]
Note 16 - Commitments and Contingencies (Details) [Line Items]
Loss Contingency, Debt Service Guarantee, Revenue Shortfall, Difference, Lower Threshold				$ 50,000
Loss Contingency, Debt Service Guarantee, Revenue Shortfall, Difference, Upper Threshold				$ 150,000

X

- Definition

Represents the lower threshold of revenue shortfall difference that triggers the debt service guarantee.

+ References

No definition available.

+ Details

Name:	tcx_LossContingencyDebtServiceGuaranteeRevenueShortfallDifferenceLowerThreshold
Namespace Prefix:	tcx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Represents the upper threshold of revenue shortfall difference that triggers the debt service guarantee.

+ References

No definition available.

+ Details

Name:	tcx_LossContingencyDebtServiceGuaranteeRevenueShortfallDifferenceUpperThreshold
Namespace Prefix:	tcx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	tcx_Note16CommitmentsandContingenciesDetailsLineItems
Namespace Prefix:	tcx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_GuaranteeObligationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	dei_LegalEntityAxis=tcx_TingFiberIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: