Accounting Policies, by Policy (Policies)	9 Months Ended
Sep. 30, 2014
Accounting Policies [Abstract]
Revenue Recognition, Policy [Policy Text Block]	(a) Revenue recognition The Company’s revenues are derived from domain name registration fees on both a wholesale and retail basis, the sale of domain names, the provisioning of other Internet services and advertising and other revenue. Amounts received in advance of meeting the revenue recognition criteria described below are recorded as deferred revenue. The Company earns registration fees in connection with each new, renewed and transferred-in registration and from providing provisioning of other Internet services to resellers and registrars on a monthly basis. Service has been provided in connection with registration fees once the Company has confirmed that the requested domain name has been appropriately recorded in the registry under contractual performance standards. Domain names are generally purchased for terms of one to ten years. Registration fees charged for domain name registration and provisioning services are recognized on a straight-line basis over the life of the contracted term. Other Internet services that are provisioned for annual periods or longer, are recognized on a straight-line basis over the life of the contracted term. Other Internet services that are provisioned on a monthly basis are recognized as services are provided. For arrangements with multiple deliverables, the Company allocates revenue to each deliverable if the delivered item(s) has value to the customer on a standalone basis and, if the arrangement includes a general right of return relative to the delivered item, delivery or performance of the undelivered item(s) is considered probable and substantially in the control of the Company. The fair value of the selling price for a deliverable is determined using a hierarchy of (1) Company specific objective and reliable evidence, then (2) third-party evidence, then (3) best estimate of selling price. The Company allocates any arrangement fee to each of the elements based on their relative selling prices. Revenue generated from the sale of domain names, earned from transferring the rights to domain names under the Company’s control, are recognized once the rights have been transferred and payment has been received in full. The Company derives revenues from the provisioning of mobile phone services through its Ting website. These revenues are recognized once services have been provided. Revenues for wireless services are billed based on the actual amount of monthly services utilized by each customer during their billing cycle on a postpaid basis. The Company’s billing cycle for each customer is computed based on the customer’s activation date. As a result, the Company estimates the amount of revenues earned but not billed from the end of each billing cycle to the end of each reporting period. In addition, revenues associated with the sale of wireless devices and accessories to subscribers is recognized when title and risk of loss is transferred to the subscriber and shipment has occurred. Incentive marketing credits given to customers are recorded as a reduction of revenue. Advertising revenue includes revenue derived from cost-per-action advertising links we display on third party websites who provide syndicated pay-per-click advertising on OpenSRS Domain Expiry Stream domains and the Company’s Portfolio domains. In addition, the Company uses third party partners to derive pay-perclick advertising revenue on the Tucows.com website. Advertising revenue is recognized on a monthly basis based on the number of cost-per-action services that were provided in the month. In those cases where payment is not received at the time of sale, additional conditions for recognition of revenue are that the collection of the related accounts receivable is reasonably assured and the Company has no further performance obligations. The Company records costs that reflect expected refunds, rebates and credit card charge-backs as a reduction of revenues at the time of the sale based on historical experiences and current expectations. The Company establishes provisions for possible uncollectible accounts receivable and other contingent liabilities which may arise in the normal course of business. Historically, credit losses have been within the Company’s expectations and the provisions the Company has established have been appropriate. However, the Company has, on occasion, experienced issues which have led to accounts receivable not being fully collected. Should these issues occur more frequently, additional provisions may be required.
Derivatives, Policy [Policy Text Block]	(b) Derivative Financial Instruments During Fiscal 2103 and Fiscal 2012, we used derivative financial instruments to manage foreign currency exchange risk. We account for these instruments in accordance with ASC Topic 815, “Derivatives and Hedging” (Topic 815), which requires that every derivative instrument be recorded on the balance sheet as either an asset or liability measured at its fair value as of the reporting date. Topic 815 also requires that changes in our derivative financial instruments’ fair values be recognized in earnings, unless specific hedge accounting and documentation criteria are met (i.e. the instruments are accounted for as hedges). We recorded the effective portions of the gain or loss on derivative financial instruments that were designated as cash flow hedges in accumulated other comprehensive income in our accompanying Consolidated Balance Sheets. Any ineffective or excluded portion of a designated cash flow hedge, if applicable, is recognized in net income. For certain contracts, the Company has not complied with the documentation standards required for its forward foreign exchange contracts to be accounted for as hedges and has, therefore, accounted for such forward foreign exchange contracts at their fair values with the changes in fair value recorded in net income. The fair value of the forward exchange contracts are determined using an estimated credit adjusted mark-to-market valuation which takes into consideration the Company and the counterparty credit risk. The valuation technique used to measure the fair values of the derivative instruments is a discounted cash flow technique, with all significant inputs derived from or corroborated by observable market data, as no quoted market prices exist for the derivative instruments. Our discounted cash flow techniques use observable market inputs, such as foreign currency spot and forward rates. The Company recognizes the effects of events or transactions that occur after the balance sheet date but before financial statements are issued (“subsequent events”) if there is evidence that conditions related to the subsequent event existed at the date of the balance sheet date, including the impact of such events on management's estimates and assumptions used in preparing the financial statements. Other significant subsequent events that are not recognized in the financial statements, if any, are disclosed in the notes to the unaudited interim consolidated financial statements.
New Accounting Pronouncements, Policy [Policy Text Block]	Recent Accounting Pronouncements Adopted On July 18, 2013, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update No. 2013-11, Income Taxes (Topic 740): Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists (“ASU 2013-11”). ASU 2013-11 requires an entity to present an unrecognized tax benefit, or a portion of an unrecognized tax benefit, as a reduction of a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward except as follows: to the extent a net operating loss carryforward, a similar tax loss or a tax credit carryforward is not available at the reporting date under the tax law of the applicable jurisdiction to settle any additional income taxes that would result from the disallowance of a tax position or the tax law of the applicable tax jurisdiction does not require the entity to use, and the entity does not intend to use, the deferred tax asset for such purpose, the unrecognized tax benefit should be presented in the financial statements as a liability and should not be combined with a deferred tax asset. We adopted ASU 2013-11 in the quarter ending March 31, 2014 and the adoption did not have a material impact on our Condensed Consolidated Financial Statements. On May 28, 2014, the FASB issued Accounting Standards Update 2014-09, “Revenue from Contracts with Customers” (“ASU 2014-09” or “new standard”). The new standard is effective for annual and interim periods beginning January 1, 2017, and early adoption is prohibited. ASU 2014-09 may be adopted by applying the provisions of the new standard on a retrospective basis to the periods included in the financial statements or on a modified retrospective basis which would result in the recognition of a cumulative effect of adopting ASU 2014-09 in the first quarter of 2017. We have not yet decided which implementation method we will adopt. The new standard replaces virtually all existing generally accepted accounting principles (“GAAP”) on revenue recognition and replaces them with a principles-based approach for determining revenue recognition using a new five step model. The core principle of ASU 2014-09 is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 also includes new accounting principles related to the deferral and amortization of contract acquisition and fulfillment costs. We are reviewing the new standard and starting to evaluate and determine the impact the new standard will have on the timing of revenue recognition under our customer agreements and the amount of contract related costs that will be deferred. We cannot, however, provide any estimate of the impact of adopting the new standard at this time. In August 2014, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No 2014-15 "Disclosure of Uncertainties about an Entity's Ability to Continue as a Going Concern" (ASU 2014-15). ASU 2014-15 provides guidance on management's responsibility in evaluating whether there is substantial doubt about a company's ability to continue as a going concern and about related footnote disclosures. For each reporting period, management will be required to evaluate whether there are conditions or events that raise substantial doubt about a company's ability to continue as a going concern within one year from the date the financial statements are issued. ASU 2014-15 is effective for our fiscal year ending December 31, 2016, with early adoption permitted. We do not believe the pending adoption of ASU 2014-15 will have a material impact on our consolidated financial statements.

Accounting Policies, by Policy (Policies)

9 Months Ended

Sep. 30, 2014

Revenue Recognition, Policy [Policy Text Block]

(a) Revenue recognition

The Company’s revenues are derived from domain name registration fees on both a wholesale and retail basis, the sale of domain names, the provisioning of other Internet services and advertising and other revenue. Amounts received in advance of meeting the revenue recognition criteria described below are recorded as deferred revenue.

The Company earns registration fees in connection with each new, renewed and transferred-in registration and from providing provisioning of other Internet services to resellers and registrars on a monthly basis. Service has been provided in connection with registration fees once the Company has confirmed that the requested domain name has been appropriately recorded in the registry under contractual performance standards.

Domain names are generally purchased for terms of one to ten years. Registration fees charged for domain name registration and provisioning services are recognized on a straight-line basis over the life of the contracted term. Other Internet services that are provisioned for annual periods or longer, are recognized on a straight-line basis over the life of the contracted term. Other Internet services that are provisioned on a monthly basis are recognized as services are provided.

For arrangements with multiple deliverables, the Company allocates revenue to each deliverable if the delivered item(s) has value to the customer on a standalone basis and, if the arrangement includes a general right of return relative to the delivered item, delivery or performance of the undelivered item(s) is considered probable and substantially in the control of the Company. The fair value of the selling price for a deliverable is determined using a hierarchy of (1) Company specific objective and reliable evidence, then (2) third-party evidence, then (3) best estimate of selling price. The Company allocates any arrangement fee to each of the elements based on their relative selling prices.

Revenue generated from the sale of domain names, earned from transferring the rights to domain names under the Company’s control, are recognized once the rights have been transferred and payment has been received in full.

The Company derives revenues from the provisioning of mobile phone services through its Ting website. These revenues are recognized once services have been provided. Revenues for wireless services are billed based on the actual amount of monthly services utilized by each customer during their billing cycle on a postpaid basis. The Company’s billing cycle for each customer is computed based on the customer’s activation date. As a result, the Company estimates the amount of revenues earned but not billed from the end of each billing cycle to the end of each reporting period. In addition, revenues associated with the sale of wireless devices and accessories to subscribers is recognized when title and risk of loss is transferred to the subscriber and shipment has occurred. Incentive marketing credits given to customers are recorded as a reduction of revenue.

Advertising revenue includes revenue derived from cost-per-action advertising links we display on third party websites who provide syndicated pay-per-click advertising on OpenSRS Domain Expiry Stream domains and the Company’s Portfolio domains. In addition, the Company uses third party partners to derive pay-perclick advertising revenue on the Tucows.com website. Advertising revenue is recognized on a monthly basis based on the number of cost-per-action services that were provided in the month.

In those cases where payment is not received at the time of sale, additional conditions for recognition of revenue are that the collection of the related accounts receivable is reasonably assured and the Company has no further performance obligations. The Company records costs that reflect expected refunds, rebates and credit card charge-backs as a reduction of revenues at the time of the sale based on historical experiences and current expectations.

The Company establishes provisions for possible uncollectible accounts receivable and other contingent liabilities which may arise in the normal course of business. Historically, credit losses have been within the Company’s expectations and the provisions the Company has established have been appropriate. However, the Company has, on occasion, experienced issues which have led to accounts receivable not being fully collected. Should these issues occur more frequently, additional provisions may be required.

Derivatives, Policy [Policy Text Block]

(b) Derivative Financial Instruments

During Fiscal 2103 and Fiscal 2012, we used derivative financial instruments to manage foreign currency exchange risk. We account for these instruments in accordance with ASC Topic 815, “Derivatives and Hedging” (Topic 815), which requires that every derivative instrument be recorded on the balance sheet as either an asset or liability measured at its fair value as of the reporting date. Topic 815 also requires that changes in our derivative financial instruments’ fair values be recognized in earnings, unless specific hedge accounting and documentation criteria are met (i.e. the instruments are accounted for as hedges). We recorded the effective portions of the gain or loss on derivative financial instruments that were designated as cash flow hedges in accumulated other comprehensive income in our accompanying Consolidated Balance Sheets. Any ineffective or excluded portion of a designated cash flow hedge, if applicable, is recognized in net income.

For certain contracts, the Company has not complied with the documentation standards required for its forward foreign exchange contracts to be accounted for as hedges and has, therefore, accounted for such forward foreign exchange contracts at their fair values with the changes in fair value recorded in net income.

The fair value of the forward exchange contracts are determined using an estimated credit adjusted mark-to-market valuation which takes into consideration the Company and the counterparty credit risk. The valuation technique used to measure the fair values of the derivative instruments is a discounted cash flow technique, with all significant inputs derived from or corroborated by observable market data, as no quoted market prices exist for the derivative instruments. Our discounted cash flow techniques use observable market inputs, such as foreign currency spot and forward rates.

The Company recognizes the effects of events or transactions that occur after the balance sheet date but before financial statements are issued (“subsequent events”) if there is evidence that conditions related to the subsequent event existed at the date of the balance sheet date, including the impact of such events on management's estimates and assumptions used in preparing the financial statements. Other significant subsequent events that are not recognized in the financial statements, if any, are disclosed in the notes to the unaudited interim consolidated financial statements.

New Accounting Pronouncements, Policy [Policy Text Block]

Recent Accounting Pronouncements Adopted

On July 18, 2013, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update No. 2013-11, Income Taxes (Topic 740): Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists (“ASU 2013-11”). ASU 2013-11 requires an entity to present an unrecognized tax benefit, or a portion of an unrecognized tax benefit, as a reduction of a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward except as follows: to the extent a net operating loss carryforward, a similar tax loss or a tax credit carryforward is not available at the reporting date under the tax law of the applicable jurisdiction to settle any additional income taxes that would result from the disallowance of a tax position or the tax law of the applicable tax jurisdiction does not require the entity to use, and the entity does not intend to use, the deferred tax asset for such purpose, the unrecognized tax benefit should be presented in the financial statements as a liability and should not be combined with a deferred tax asset. We adopted ASU 2013-11 in the quarter ending March 31, 2014 and the adoption did not have a material impact on our Condensed Consolidated Financial Statements.

On May 28, 2014, the FASB issued Accounting Standards Update 2014-09, “Revenue from Contracts with Customers” (“ASU 2014-09” or “new standard”). The new standard is effective for annual and interim periods beginning January 1, 2017, and early adoption is prohibited. ASU 2014-09 may be adopted by applying the provisions of the new standard on a retrospective basis to the periods included in the financial statements or on a modified retrospective basis which would result in the recognition of a cumulative effect of adopting ASU 2014-09 in the first quarter of 2017. We have not yet decided which implementation method we will adopt. The new standard replaces virtually all existing generally accepted accounting principles (“GAAP”) on revenue recognition and replaces them with a principles-based approach for determining revenue recognition using a new five step model. The core principle of ASU 2014-09 is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 also includes new accounting principles related to the deferral and amortization of contract acquisition and fulfillment costs. We are reviewing the new standard and starting to evaluate and determine the impact the new standard will have on the timing of revenue recognition under our customer agreements and the amount of contract related costs that will be deferred. We cannot, however, provide any estimate of the impact of adopting the new standard at this time.

In August 2014, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No 2014-15 "Disclosure of Uncertainties about an Entity's Ability to Continue as a Going Concern" (ASU 2014-15). ASU 2014-15 provides guidance on management's responsibility in evaluating whether there is substantial doubt about a company's ability to continue as a going concern and about related footnote disclosures. For each reporting period, management will be required to evaluate whether there are conditions or events that raise substantial doubt about a company's ability to continue as a going concern within one year from the date the financial statements are issued. ASU 2014-15 is effective for our fiscal year ending December 31, 2016, with early adoption permitted. We do not believe the pending adoption of ASU 2014-15 will have a material impact on our consolidated financial statements.

- Definition

Disclosure of accounting policy for its derivative instruments and hedging activities.

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- Definition

Disclosure of accounting policy for revenue recognition. If the entity has different policies for different types of revenue transactions, the policy for each material type of transaction is generally disclosed. If a sales transaction has multiple element arrangements (for example, delivery of multiple products, services or the rights to use assets) the disclosure may indicate the accounting policy for each unit of accounting as well as how units of accounting are determined and valued. The disclosure may encompass important judgment as to appropriateness of principles related to recognition of revenue. The disclosure also may indicate the entity's treatment of any unearned or deferred revenue that arises from the transaction.

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