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Note 10 - Common Shares | 12 Months Ended
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Dec. 31, 2014
Stockholders' Equity Note [Abstract] |
Stockholders' Equity Note Disclosure [Text Block] | 10. Common shares: The Company’s authorized common share capital is 250 million shares of common stock without nominal or par value. On December 31, 2014, there were 11,329,732 shares of common stock outstanding.
| (a) | Share consolidation
On December 30, 2013, the Company ceased trading on the NYSE Amex Exchange and began trading on the NASDAQ Exchange under the symbol “TCX”. In December 2013, our Board of Directors authorized a one-for-four share consolidation of our common stock, in the form of a reverse stock split. This consolidation was effective at the opening of trading on December 31, 2013. As a result of the share consolidation, every four shares of our common stock outstanding were automatically combined into one share of our common stock. Each shareholder continues to hold the same percentage of our outstanding common shares. The shares were rounded up to the next whole share for those holders who would have otherwise received fractional shares. The share consolidation was intended to make our common stock available to a broader range of investors and reposition the company’s trading metrics. All share information related to shares outstanding and earnings per share have been retroactively adjusted to reflect this stock consolidation. Repurchase of common shares:
| (a) | Modified Dutch Tender Offers:
On December 8, 2014 the Company announced that it would enter into a modified Dutch Auction Tender offer. Subsequent to December 31, 2014 the auction was successfully concluded (see note 16). On January 7, 2013, the Company announced that it successfully concluded a modified “Dutch auction tender offer” that was previously announced on November 21, 2012. Under the terms of the offer, the Company repurchased an aggregate of 1,028,531 shares of its common stock at a purchase price of $6.00 per share, for a total of $6,171,656, excluding transaction costs of approximately $106,000. The purchase price and all transaction costs were funded from available cash and an additional advance under our Amended Credit Facility from the Bank in the amount of $5.2 million. All shares purchased in the tender offer received the same price and all shares repurchased were immediately retired. As a result of the completion of the tender offer, as of January 31, 2013, the Company had 10,056,719 shares issued and outstanding.
| (b) | Normal Course Issuer Bids:
On March 5, 2014, the Company announced a stock buyback program. Under this buyback program, the Company may repurchase up to $20 million of the Company's common stock over the 12-month period that commenced on March 4, 2014. The Company repurchased 6,092 shares under this program during the three months ended March 31, 2014 for a total of $82,286. The Company repurchased 73,300 shares under this program during the three months ended September 30, 2014 for a total of $1.1 million. The Company repurchased 79,392 shares under this program during the year ended December 31, 2014 for a total of $1.2 million. On March 1, 2013, the Company announced a stock buyback program. Under this buyback program, the Company may repurchase up to $2.5 million of the Company's common stock over the 12-month period that commenced on March 1, 2013. The Company repurchased 35,769 shares under this program during the three and six month periods ended June 30, 2013 for a total of $259,875.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + 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.(d),(e)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section C Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Article 4 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Preferred Stock -URI http://asc.fasb.org/extlink&oid=6521494 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 12: 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 13: 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 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644 Reference 16: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644 Reference 17: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 18: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph d -Article 4 Reference 19: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 + Details
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