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Note 22 - Subsequent Events (Details Textual) - USD ($) $ in Millions | Feb. 23, 2024 | Feb. 22, 2024 | Feb. 09, 2024 | Feb. 10, 2023 | Feb. 09, 2023
--- | --- | --- | --- | --- | ---
Stock Buyback Program 2024 [Member] | Subsequent Event [Member] |  |  |  |  |
Stock Repurchase Program, Authorized Amount | $ 40 | $ 40 |  |  |
Stock Buyback Program 2023 [Member] |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  | $ 40 | $ 40
Stock Buyback Program 2023 [Member] | Subsequent Event [Member] |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  | $ 40 |  |

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=tcx_StockBuybackProgram2024Member
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: | us-gaap_ShareRepurchaseProgramAxis=tcx_StockBuybackProgram2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |