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Note 12 - Net Income Per Share | 12 Months Ended
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Mar. 31, 2017
Notes to Financial Statements |
Earnings Per Share [Text Block] | Note 12 . Net Income Per Share Basic net income per share is computed by dividing net income by the weighted-average number of common shares outstanding during the reporting period. Diluted net income per share is computed similarly to basic net income per share, except that it includes the potential dilution that could occur if dilutive securities were exercised. The following table presents a reconciliation of the denominators used in the computation of net income per share - basic and diluted (in thousands, except share data):
|  | Year Ended March 31, |
|  | 201 7 |  |  | 201 6 |  |  | 201 5 |
Net income available for shareholders |  | $ | 11,183 |  |  | $ | 11,169 |  |  | $ | 9,583 |
Weighted average outstanding shares of common stock |  |  | 3,679 |  |  |  | 3,605 |  |  |  | 3,521 |
Dilutive effect of stock options |  |  | 165 |  |  |  | 152 |  |  |  | 129 |
Common stock and equivalents |  |  | 3,844 |  |  |  | 3,757 |  |  |  | 3,650 |
Net Income per share: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 3.04 |  |  | $ | 3.10 |  |  | $ | 2.72 |
Diluted |  |  | 2.91 |  |  |  | 2.97 |  |  |  | 2.63 |
For the years ended March 31, 2017, 2016 and 2015, 110,000, 137,000 and 152,000 outstanding stock options, respectively, were excluded from the calculation of diluted earnings per share because the exercise prices of the stock options were greater than or equal to the average price of the common shares and, therefore, their inclusion would have been anti-dilutive.

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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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