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Note 13 - Other Income, Net (Details Textual) - Joint Marketing Agreement [Member] - USD ($)	1 Months Ended	3 Months Ended
	Nov. 30, 2015	Mar. 31, 2016	Mar. 31, 2015
Recognized During the Current Year [Member]
Other Nonrecurring Gain		$ 100,000	$ 0
Other Nonrecurring Gain	$ 1,500,000
Other Non-recurring Gain, Term of Recognition		3 years

X

- Definition

The term over which the nonrecurring gain is recognized.

+ References

No definition available.

+ Details

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

X

- Definition

Amount of gain that is infrequent in occurrence or unusual in nature.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 20
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64828382&loc=d3e15138-107781

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

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

X

- Details

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Namespace Prefix:
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Balance Type:
Period Type: