Represents the line of credit facility covenant period.

No definition available.

Name:	tcx_LineOfCreditFacilityCovenantPeriod
Namespace Prefix:	tcx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of increase in maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

No definition available.

+ Details

Name:	tcx_LineOfCreditFacilityIncreaseInMaximumBorrowingCapacity
Namespace Prefix:	tcx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount that the loan facility may not exceed a specified funded share repurchases.

+ References

No definition available.

+ Details

Name:	tcx_LineOfCreditFacilityMaximumFundedShareRepurchasesCeiling
Namespace Prefix:	tcx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The maximum annual capital expenditures required by the credit facility.

+ References

No definition available.

+ Details

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

- Definition

The ratio for the maximum monetary amount funded share repurchases to 12 months trailing EBITDA.

+ References

No definition available.

+ Details

Name:	tcx_MaximumRatioOfFundedShareRepurchasesTo12MonthsTrailingEDITDA
Namespace Prefix:	tcx_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Ratio of total funded debt to EDITDA that triggers obligation to repay 50% of excess cash flow as defined under the credit agreement.

+ References

No definition available.

+ Details

Name:	tcx_MaximumTotalFundedDebtToEBITDARatio
Namespace Prefix:	tcx_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

The minimum fixed charge coverage ratio.

+ References

No definition available.

+ Details

Name:	tcx_MinimumFixedChargeCoverageRatio
Namespace Prefix:	tcx_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage amount of excess cash flow that must be used for repayments of the credit facility if certain terms of the line of credit agreement are breached.

+ References

No definition available.

+ Details

Name:	tcx_RepaymentObligationPercentageOfExcessCashFlow
Namespace Prefix:	tcx_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (a),(c)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624163-113959

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=82849420&loc=SL20226000-175313

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=82924980&loc=SL51823488-111719

+ Details

Name:	us-gaap_DerivativeFairValueOfDerivativeAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ 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(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow for loan and debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

+ Details

Name:	us-gaap_PaymentsOfFinancingCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	tcx_TreasuryRiskManagementFacilityAxis=tcx_ForeignExchangeRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=tcx_BankOfMontrealAndRoyalBankOfCanadaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tcx_TotalLoansDoNotExceed15TimesOfTrailing12MonthsEBITDAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=tcx_NonRevolvingFacilityCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=tcx_NonrevolvingFacilityDMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=tcx_RevolvingCreditFacilityAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=tcx_RevolvingReducingTermFacilityBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=tcx_CreditFacilityBAndCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tcx_DrawsForShareRepurchasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tcx_DrawsForAcquisitionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tcx_DrawsForFFTHCapitalExpendituresMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 7 - Loan Payable (Details Textual)			3 Months Ended		6 Months Ended
Note 7 - Loan Payable (Details Textual)	Jun. 06, 2017 USD ($)	Jan. 20, 2017 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Oct. 01, 2018	Sep. 30, 2018	Sep. 30, 2017	Jan. 19, 2017 USD ($)
Payments of Financing Costs		$ 600,000	$ 12,579	$ 133,500	$ 603,754	$ 133,500
Foreign Exchange Risk [Member]
Line of Credit Facility, Maximum Borrowing Capacity			3,500,000		$ 3,500,000
Line of Credit Facility Covenant Period					1 year 180 days
Derivative Asset, Fair Value, Gross Asset			$ 13,800,000		$ 13,800,000
Bank of Montreal and Royal Bank of Canada [Member]
Maximum Ratio of Funded Share Repurchases to 12 Months Trailing EDITDA			1.5		1.5
Line of Credit Facility, Maximum Borrowing Capacity		$ 140,000,000
Debt Instrument, Term		4 years
Repayment Obligation, Percentage of Excess Cash Flow		50.00%
Maximum Total Funded Debt to EBITDA Ratio		2.25
Minimum Fixed Charge Coverage Ratio			1.2		1.2
Maximum Annual Capital Expenditures Requirement					$ 32,800,000
Line of Credit Facility, Maximum Funded Share Repurchases Ceiling					20,000,000
Bank of Montreal and Royal Bank of Canada [Member] \| Scenario, Forecast [Member]
Maximum Total Funded Debt to EBITDA Ratio							2.25	2.5	3
Bank of Montreal and Royal Bank of Canada [Member] \| Total Loans Do Not Exceed 1.5 Times of Trailing 12 Months EBITDA [Member]
Line of Credit Facility, Maximum Funded Share Repurchases Ceiling					$ 40,000,000
Bank of Montreal and Royal Bank of Canada [Member] \| Non-revolving Facility C [Member]
Line of Credit Facility, Increase in Maximum Borrowing Capacity	$ 502,500
Line of Credit Facility, Maximum Borrowing Capacity		$ 35,500,000								$ 40,000,000
Bank of Montreal and Royal Bank of Canada [Member] \| Non-revolving Facility D [Member]
Line of Credit Facility, Maximum Borrowing Capacity		84,500,000
Long-term Line of Credit		84,500,000
Bank of Montreal and Royal Bank of Canada [Member] \| Revolving Credit Facility A [Member]
Line of Credit Facility, Maximum Borrowing Capacity		5,000,000
Bank of Montreal and Royal Bank of Canada [Member] \| Revolving Reducing Term Facility B [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 15,000,000
Bank of Montreal and Royal Bank of Canada [Member] \| Credit Facility B and C [Member] \| Draws for Share Repurchases [Member]
Debt Instrument, Term		4 years
Bank of Montreal and Royal Bank of Canada [Member] \| Credit Facility B and C [Member] \| Draws for Acquisitions [Member]
Debt Instrument, Term		5 years
Bank of Montreal and Royal Bank of Canada [Member] \| Credit Facility B and C [Member] \| Draws for FFTH Capital Expenditures [Member]
Debt Instrument, Term		7 years