Earnings and Dividends per Share (Tables)

3 Months Ended

Mar. 31, 2017

Earnings Per Share [Abstract]

Number of Shares Outstanding for Calculation of Earnings Per Share

The computational components of basic and diluted earnings per share for the three-month periods ended March 31, 2017 and 2016 are below.

	For the three-month period ended March 31, 2017
	Numerator (Income)		Denominator (Shares)		Per Share Amount
Basic net income and earnings per share	$	38		34,216	$	0.00
Effect of dilutive securities and notes:
Common stock equivalents arising from stock    options, restricted stock awards, and employee    stock purchase plan		—		347		—
Diluted earnings and earnings per share	$	38		34,563	$	0.00

	For the three-month period ended March 31, 2016
	Numerator (Income)		Denominator (Shares)		Per Share Amount
Basic net income and earnings per share	$	3,100		33,928	$	0.09
Effect of dilutive securities and notes:
Common stock equivalents arising from stock    options, restricted stock awards, and employee    stock purchase plan		—		189		—
Diluted earnings and earnings per share	$	3,100		34,117	$	0.09