Quarterly Information (unaudited) (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

Our quarterly financial information has not been audited but, in management’s opinion, includes all adjustments necessary for a fair presentation.

(In thousands)	Three months ended								Year ended
2016	March 31		June 30		September 30		December 31		December 31
Revenue	$	115,756	$	125,542	$	121,978	$	127,283	490,559
Gross profit	17,927		20,344		20,004		21,882		80,157
Net income	3,800		4,913		4,802		6,732		20,247
Earnings per share:
Basic	$	0.23	$	0.29	$	0.29	$	0.40	$	1.21
Diluted	$	0.23	$	0.29	$	0.29	$	0.40	$	1.21
2015
Revenue	$	115,253	$	125,665	$	122,931	$	126,431	$	490,280
Gross profit	19,135		20,076		20,369		22,412		81,992
Net income	4,107		4,714		3,716		6,252		18,789
Earnings per share:
Basic	$	0.24	$	0.27	$	0.22	$	0.37	$	1.10
Diluted	$	0.24	$	0.27	$	0.22	$	0.37	$	1.09

The sum of the quarterly earnings per share amounts may not equal the total for the year due to the effects of rounding and dilution as a result of issuing common shares during the year.