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Note 11 - Stock Option Plans (Details) - Stock-based Compensation Allocation to Operating Expenses (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	$ 542,738us-gaap_AllocatedShareBasedCompensationExpense	$ 430,903us-gaap_AllocatedShareBasedCompensationExpense	$ 360,699us-gaap_AllocatedShareBasedCompensationExpense
Network Expenses [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	30,938us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = tcx_NetworkExpensesMember	31,664us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = tcx_NetworkExpensesMember	24,480us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = tcx_NetworkExpensesMember
Sales and Marketing [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	143,514us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = tcx_SalesAndMarketingMember	129,302us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = tcx_SalesAndMarketingMember	92,168us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = tcx_SalesAndMarketingMember
Technical Operations and Development [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	85,904us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = tcx_TechnicalOperationsAndDevelopmentMember	78,800us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = tcx_TechnicalOperationsAndDevelopmentMember	59,141us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = tcx_TechnicalOperationsAndDevelopmentMember
General and Administrative Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation	$ 282,382us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = us-gaap_GeneralAndAdministrativeExpenseMember	$ 191,137us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = us-gaap_GeneralAndAdministrativeExpenseMember	$ 184,910us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_IncomeStatementLocationAxis = us-gaap_GeneralAndAdministrativeExpenseMember

X

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

+ Details

Name:	us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=tcx_NetworkExpensesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=tcx_SalesAndMarketingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=tcx_TechnicalOperationsAndDevelopmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_GeneralAndAdministrativeExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: