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Note 22 - Subsequent Events (Details Textual) - USD ($) $ in Millions	Feb. 13, 2025	Feb. 22, 2024
Stock Buyback Program 2025 [Member] | Subsequent Event [Member]
Share Repurchase Program, Authorized, Amount	$ 40
Stock Buyback Program 2024 [Member]
Share Repurchase Program, Authorized, Amount		$ 40

X

- Definition

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

+ Details

Name:	srt_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	srt_ShareRepurchaseProgramAxis=tcx_StockBuybackProgram2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ShareRepurchaseProgramAxis=tcx_StockBuybackProgram2024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: