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Consolidated Statements of Cash Flows (Unaudited) (Parentheticals) $ in Thousands | 9 Months Ended
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Sep. 30, 2020 USD ($)
Cedar Holdings Group, Incorporated [Member] |
Cash acquired from acquisition of business | $ 66

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- Definition The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_BusinessAcquisitionAxis=tcx_CedarHoldingsGroupIncorporatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |