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Note 10 - Common Shares (Details) (USD $) | 12 Months Ended | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Jan. 31, 2013 | Sep. 30, 2014 | Jun. 30, 2013 | Mar. 31, 2013 | Jun. 30, 2013 | Mar. 05, 2013 | Mar. 01, 2013
Note 10 - Common Shares (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Common Stock, Shares Authorized (in Shares) | 250,000,000 us-gaap_CommonStockSharesAuthorized | 250,000,000 us-gaap_CommonStockSharesAuthorized |  |  |  |  |  |  |  |
Common Stock, Shares, Outstanding (in Shares) | 11,329,732 us-gaap_CommonStockSharesOutstanding | 10,907,063 us-gaap_CommonStockSharesOutstanding |  | 10,056,719 us-gaap_CommonStockSharesOutstanding |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 4 us-gaap_StockholdersEquityNoteStockSplitConversionRatio1 |  |  |  |  |  |  |  |  |
Stock Repurchased and Retired During Period, Value | $ 1,181,858 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue | $ 6,537,616 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue | $ 9,115,833 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue |  |  |  |  |  |  |
DLR Loan [Member] |  |  |  |  |  |  |  |  |  |
Note 10 - Common Shares (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from Lines of Credit |  |  |  | 5,200,000 us-gaap_ProceedsFromLinesOfCredit / us-gaap_CreditFacilityAxis = tcx_DLRLoanMember |  |  |  |  |  |
Dutch Auction Tender Offer [Member] |  |  |  |  |  |  |  |  |  |
Note 10 - Common Shares (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Stock Repurchased and Retired During Period, Shares (in Shares) |  |  |  | 1,028,531 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares / us-gaap_ShareRepurchaseProgramAxis = tcx_DutchActionTenderOfferMember |  |  |  |  |  |
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share) |  |  |  | $ 6.00 us-gaap_TreasuryStockAcquiredAverageCostPerShare / us-gaap_ShareRepurchaseProgramAxis = tcx_DutchActionTenderOfferMember |  |  |  |  |  |
Stock Repurchased and Retired During Period, Value |  |  |  | 6,171,656 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_ShareRepurchaseProgramAxis = tcx_DutchActionTenderOfferMember |  |  |  |  |  |
Stock Repurchased Transaction Costs |  |  |  | 106,000 tcx_StockRepurchasedTransactionCosts / us-gaap_ShareRepurchaseProgramAxis = tcx_DutchActionTenderOfferMember |  |  |  |  |  |
Stock Buyback Program [Member] |  |  |  |  |  |  |  |  |  |
Note 10 - Common Shares (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Stock Repurchased and Retired During Period, Shares (in Shares) | 79,392 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares / us-gaap_ShareRepurchaseProgramAxis = tcx_StockBuybackProgramMember |  |  |  | 73,300 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares / us-gaap_ShareRepurchaseProgramAxis = tcx_StockBuybackProgramMember | 35,769 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares / us-gaap_ShareRepurchaseProgramAxis = tcx_StockBuybackProgramMember | 6,092 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares / us-gaap_ShareRepurchaseProgramAxis = tcx_StockBuybackProgramMember | 35,769 us-gaap_StockRepurchasedAndRetiredDuringPeriodShares / us-gaap_ShareRepurchaseProgramAxis = tcx_StockBuybackProgramMember |  |
Stock Repurchased and Retired During Period, Value | 1,200,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_ShareRepurchaseProgramAxis = tcx_StockBuybackProgramMember |  |  |  | 1,100,000 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_ShareRepurchaseProgramAxis = tcx_StockBuybackProgramMember | 259,875 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_ShareRepurchaseProgramAxis = tcx_StockBuybackProgramMember | 82,286 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_ShareRepurchaseProgramAxis = tcx_StockBuybackProgramMember | 259,875 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_ShareRepurchaseProgramAxis = tcx_StockBuybackProgramMember |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  |  |  |  | $ 20,000,000 us-gaap_StockRepurchaseProgramAuthorizedAmount1 / us-gaap_ShareRepurchaseProgramAxis = tcx_StockBuybackProgramMember | $ 2,500,000 us-gaap_StockRepurchaseProgramAuthorizedAmount1 / us-gaap_ShareRepurchaseProgramAxis = tcx_StockBuybackProgramMember

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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph f -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Stock Split -URI http://asc.fasb.org/extlink&oid=6525746 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 + Details
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