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Note 17 - Earnings Per Share ("EPS") | 12 Months Ended
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Dec. 31, 2019
Notes to Financial Statements |
Earnings Per Share [Text Block] | 17. Earnings per Share (“EPS”) Basic EPS is calculated by dividing net income by the weighted average number of shares outstanding during the period. Unvested RSAs, although legally issued and outstanding, are not considered outstanding for purposes of calculating basic earnings per share. Diluted EPS is calculated by dividing net income by the weighted average number of shares outstanding plus the dilutive effect, if any, of outstanding stock options, stock appreciation rights (“SARs”), RSAs, PSUs and RSUs using the treasury stock method. The following table provides share information used in the calculation of the Company's basic and diluted earnings per share:
|  | Years Ended December 31,
|  | 2019 |  | 2018 |  | 2017
Shares used in the calculation of basic earnings per share |  |  | 14,121 |  |  |  | 14,442 |  |  |  | 14,575 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Stock options, SARs, RSAs and RSUs |  |  | 253 |  |  |  | 247 |  |  |  | 493 |
Diluted shares used in the calculation of earnings per share |  |  | 14,374 |  |  |  | 14,689 |  |  |  | 15,068 |
Stock options to purchase 0.5 million shares, 0.7 million shares, and 0.5 million shares for the years ended December 31, 2019, 2018, and 2017, respectively, were excluded from the computation of diluted EPS as their effect would have been anti-dilutive. The anti-dilutive restricted shares for the years, 2019, 2018 and 2017 were insignificant. At December 31, 2019, 2018, and 2017 a total of 13 thousand, 42 thousand and 0.1 million shares of issued and outstanding unvested RSAs were excluded from the basic earnings per share.

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