Earnings Per Share

12 Months Ended

Dec. 31, 2018


20.	Earnings (Loss) Attributable to Tennant Company Per Share

The computations of Basic and Diluted Earnings (Loss) Attributable to Tennant Company per Share for the years ended December 31 were as follows:



	2018		2017			2016
Numerator:
Net Earnings (Loss) Attributable to Tennant Company	$	33,412	$	(6,195	)	$	46,614
Denominator:
Basic - Weighted Average Shares Outstanding	17,940,438		17,695,390			17,523,267
Effect of dilutive securities	398,131		—			452,916
Diluted - Weighted Average Shares Outstanding	18,338,569		17,695,390			17,976,183
Basic Earnings (Loss) per Share	$	1.86	$	(0.35	)	$	2.66
Diluted Earnings (Loss) per Share	$	1.82	$	(0.35	)	$	2.59

Excluded from the dilutive securities shown above were options to purchase and shares to be paid out under share-based compensation plans of 293,356, 711,212 and 356,598 shares of common stock during 2018, 2017 and 2016, respectively. These exclusions were made if the exercise prices of these options are greater than the average market price of our common stock for the period, if the number of shares we can repurchase under the treasury stock method exceeds the weighted shares outstanding in the options or if we have a net loss, as the effects are anti-dilutive.