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Note 5 - Goodwill and Other Intangible Assets - Acquired Intangible Assets by Major Class (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Balances	$ 19,973,793
Reclassifications
Acquisition of Enom	44,300,000
Additions to/(disposals from) domain portfolio, net	(9,789)	$ (8,220)
Amortization expense	(1,760,971)	$ (68,529)
Balances	62,503,033
Brand [Member]
Balances	5,210
Reclassifications	43,620
Acquisition of Enom	12,400,000
Additions to/(disposals from) domain portfolio, net
Amortization expense	(342,452)
Balances	12,106,378
Customer Relationships [Member]
Balances	6,198,811
Reclassifications	(45,509)
Acquisition of Enom	28,000,000
Additions to/(disposals from) domain portfolio, net
Amortization expense	(1,038,358)
Balances	33,114,944
Technology-Based Intangible Assets [Member]
Balances
Reclassifications
Acquisition of Enom	3,900,000
Additions to/(disposals from) domain portfolio, net
Amortization expense	(368,630)
Balances	3,531,370
Network Rights [Member]
Balances	605,463
Reclassifications	1,889
Acquisition of Enom
Additions to/(disposals from) domain portfolio, net
Amortization expense	(11,532)
Balances	595,820
Surname Domain Names [Member]
Balances	11,295,221
Reclassifications
Acquisition of Enom
Additions to/(disposals from) domain portfolio, net	(1,946)
Amortization expense
Balances	11,293,275
Direct Navigation Domain Names [Member]
Balances	1,869,088
Reclassifications
Acquisition of Enom
Additions to/(disposals from) domain portfolio, net	(7,842)
Amortization expense
Balances	$ 1,861,246

X

- Definition

Aggregate amount of indefinite life intangible assets recognized as cost of revenues, as a result of the disposal of these domain names, during the period.

+ References

No definition available.

+ Details

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

X

- Definition

Amount of reclassification in intangible assets.

+ References

No definition available.

+ Details

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

X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

+ Details

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

X

- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

No definition available.

+ Details

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

X

- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph ((a)(1),(b))
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Period Type:	instant

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- Details

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- Details

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X

- Details

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Period Type:

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- Details

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