Earnings per Share

The computations of basic and diluted EPS are set forth below:



	For the Three Months Ended June 30,						For the Six Months Ended June 30,
	2018			2017			2018			2017
	(in thousands, except per share amounts, unaudited)
Numerator for basic and diluted EPS — net income	$	10,513		$	6,245		$	16,881		$	5,499
Denominator for basic EPS — weighted average number of shares	26,993			31,934			28,546			32,151
Add — dilutive effect of:
Restricted stock units	929		(1)	44		(2)	679		(1)	100		(2)
Denominator for diluted EPS — weighted average number of shares and dilutive securities	27,922			31,977			29,225			32,252
Earnings per share:
Basic EPS	$	0.39		$	0.20		$	0.59		$	0.17
Diluted EPS	$	0.38		$	0.20		$	0.58		$	0.17

The weighted number of shares and dilutive potential shares do not include 334,048 shares of common stock, which will be issued to certain selling unitholders of Cogent, following the fourth anniversary of the acquisition if the revenue target related to the Earnout is achieved. In the event that the revenue target is achieved prior to March 31, 2019, such shares will be included in the Company’s share count in the period the revenue target is achieved. If the revenue target is not achieved, such shares of common stock will not be issued. See "Note 4 — Fair Value of Financial Instruments".

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(1) Excludes 563,778 and 619,235 outstanding restricted stock units that were antidilutive under the treasury stock method for the three and six months ended June 30, 2018, respectively, and thus were not included in the above calculation. The incremental shares that could be included in the diluted EPS calculation in future periods will vary based on a variety of factors, including the future share price and the amount of unrecognized compensation cost. The incremental shares included, if any, would be less than the number of outstanding restricted stock units.

(2) Excludes 1,436,970 and 1,386,443 outstanding restricted stock units that were antidilutive under the treasury stock method for the three and six months ended June 30, 2017, respectively, and thus were not included in the above calculation. The incremental shares that could be included in the diluted EPS calculation in future periods will vary based on a variety of factors, including the future share price and the amount of unrecognized compensation cost. The incremental shares included, if any, would be less than the number of outstanding restricted stock units.