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Earnings (loss) Per Share
6 Months Ended
Jun. 30, 2015
Earnings Per Share [Abstract]  
Earnings Per Share [Text Block]
Note 3- Earnings (loss) Per Share
 
Earnings (loss) per share is calculated in accordance with ASC Topic 260 “Earnings Per Share,” which provides for the calculation of “basic” and “diluted” earnings (loss) per share. Basic earnings (loss) per share includes no dilution and is computed by dividing net earnings (loss) by the weighted average number of common shares outstanding for the period.  Diluted earnings per share reflect, in periods in which they have a dilutive effect, the effect of common shares issuable upon exercise of stock options. The diluted share base excludes incremental shares of 1,963 and 1,967 related to stock options for the three month periods ended June 30, 2015 and 2014, respectively and 1,208 and 1,828 for the six month periods ended June 30, 2015 and 2014, respectively. These shares were excluded due to their antidilutive effect.