Earnings and Dividends per Share (Tables)

9 Months Ended

Sep. 30, 2016

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 and nine-month periods ended September 30, 2016 and 2015 are below.

	For the three-month period ended September 30, 2016
	Numerator (Income)		Denominator (Shares)		Per Share Amount
Basic net income and income per share	$	5,804		33,984	$	0.17
Effect of dilutive securities and notes:
Common stock equivalents arising from stock    options, restricted stock awards, and employee    stock purchase plan		—		371		—
Diluted earnings and earnings per share	$	5,804		34,355	$	0.17

	For the three-month period ended September 30, 2015
	Numerator (Income)			Denominator (Shares)		Per Share Amount
Basic net loss and loss per share	$	(4,825	)		28,618	$	(0.17	)
Effect of dilutive securities and notes:
Common stock equivalents arising from stock    options, restricted stock awards, and employee    stock purchase plan		—			—		—
Diluted loss and loss per share	$	(4,825	)		28,618	$	(0.17	)

	For the nine-month period ended September 30, 2016
	Numerator (Income)		Denominator (Shares)		Per Share Amount
Basic net income and earnings per share	$	12,954		33,953	$	0.38
Effect of dilutive securities and notes:
Common stock equivalents arising from stock    options, restricted stock awards, and employee    stock purchase plan		—		258		—
Diluted earnings and earnings per share	$	12,954		34,211	$	0.38

	For the nine-month period ended September 30, 2015
	Numerator (Income)			Denominator (Shares)		Per Share Amount
Basic net loss and loss per share	$	(2,523	)		27,066	$	(0.09	)
Effect of dilutive securities and notes:
Common stock equivalents arising from stock    options, restricted stock awards, and employee    stock purchase plan		—			—		—
Diluted loss and loss per share	$	(2,523	)		27,066	$	(0.09	)