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Note 12 - Common Shares | 12 Months Ended
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Dec. 31, 2018
Notes to Financial Statements |
Stockholders' Equity Note Disclosure [Text Block] | 1 2 . Common Shares: The Company’s authorized common share capital is 250 million shares of common stock without nominal or par value. On December 31, 2018, there were 10,627,988 shares of common stock outstanding ( 2017: 10,583,879 ). Repurchase of common shares: (a) Normal Course Issuer Bids: On February 13, 2019, the Company announced that its Board of Directors (“Board”) has approved a stock buyback program to repurchase up to $40 million of its common stock in the open market. The $40 million buyback program commenced on February 14, 2019 and is expected to terminate on February 13, 2020. Please see “Note 19 – Subsequent Events” for more information on the 2018 stock buyback program. On February 14, 2018, the Company announced that its Board approved a stock buyback program to repurchase up to $40 million of its common stock in the open market. The $40 million buyback program commenced on February 14, 2018 and terminated on February 13, 2019. No repurchases were made under this program. On March 1, 2017, the Company announced that its Board had approved a stock buyback program to repurchase of up to $40 million of the Company's common stock in the open market. The $40 million buyback program commenced on March 1, 2017 and terminated on February 14, 2018. No repurchases were made under this program. On February 9, 2016, the Company announced that its Board had approved a stock buyback program to repurchase up to $40 million of its common stock in the open market. Purchases were made exclusively through the facilities of the NASDAQ Capital Market. The stock buyback program commenced on February 10, 2016 and terminated on February 9, 2017. The Company repurchased 308,416 shares under this program during the year ended December 31, 2016 for a total $7.2 million. (b) Net Exercise of Stock Options Our current equity-based compensation plans include provisions that allow for the “net exercise” of stock options by all plan participants. In a net exercise, any required payroll taxes, federal withholding taxes and exercise price of the shares due from the option holder can be paid for by having the option holder tender back to the Company a number of shares at fair value equal to the amounts due. These transactions are accounted for by the Company as a purchase and retirement of shares and are included in the table on the following page as common stock received in connection with share-based compensation. The following table summarizes our share repurchase activity for the periods covered below (Dollar amounts in thousands of US dollars, except for share data):
|  | Year Ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Common stock repurchased on the open market or through tender offer |  |  |  |  |  |  |  |  |  |  |  |
Number of shares |  |  | — |  |  |  | — |  |  |  | 308,416 |
Aggregate market value of shares (in thousands) |  | $ | — |  |  | $ | — |  |  | $ | 7,180 |
Average price per share |  | $ | — |  |  | $ | — |  |  | $ | 23.28 |
Common stock received in connection with share-based compensation |  |  |  |  |  |  |  |  |  |  |  |
Number of shares |  |  | 19,777 |  |  |  | 50,454 |  |  |  | 25,572 |
Aggregate market value of shares (in thousands) |  | $ | 1,138 |  |  | $ | 2,602 |  |  | $ | 634 |
Average price per share |  | $ | 57.56 |  |  | $ | 51.58 |  |  | $ | 24.80 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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