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Note 17 - Net Earnings Per Common Share | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Earnings Per Share [Text Block] |
17. | Net earnings per common share
Earnings per share calculations cannot be anti-dilutive, therefore diluted shares are not used in the denominator if the numerator is in a loss position. The following table reconciles the denominator used to calculate earnings per common share:
|  |  | 2017 |  |  |  | 2016 |
Shares issued and outstanding at beginning of period |  |  | 38,648,461 |  |  |  | 38,504,311 |
Weighted average number of shares: |  |  |  |  |  |  |  |
Issued during the period |  |  | 181,523 |  |  |  | 91,754 |
Weighted average number of shares used in computing basic earnings per share |  |  | 38,829,984 |  |  |  | 38,596,065 |
Assumed exercise of stock options acquired under the Treasury Stock Method |  |  | 477,870 |  |  |  | 271,771 |
Number of shares used in computing diluted earnings per share |  |  | 39,307,854 |  |  |  | 38,867,836 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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