QUARTERLY FINANCIAL DATA (unaudited) (Tables)

12 Months Ended

Dec. 31, 2014

QUARTERLY FINANCIAL DATA (unaudited)

Schedule of unaudited consolidated quarterly results of operations

	Three-Months Ended
$s and shares in thousands, except per share amounts	Mar. 31,		June 30,		Sept. 30,		Dec. 31,		Year
2014
Revenue	$	53,354	$	66,024	$	170,859	$	157,174	$	447,411
Gross profit		22,120		25,247		52,206		46,213		145,786
Operating income		15,484		11,022		26,796		19,148		72,450
Net income		9,361		6,865		13,333		8,677		38,236
Earnings per share—diluted(1)	$	0.43	$	0.32	$	0.61	$	0.40	$	1.77
Weighted average common shares outstanding used in the diluted earnings per share calculation		21,586		21,667		21,680		21,673		21,655
Dividends paid per share	$	0.18	$	0.18	$	0.18	$	0.18	$	0.72
2013
Revenue	$	42,899	$	45,777	$	53,090	$	59,360	$	201,126
Gross profit		15,382		18,928		21,620		23,056		78,986
Operating income		9,656		12,409		15,512		15,354		52,931
Net income		5,406		7,210		10,328		9,207		32,151
Earnings per share—diluted(1)	$	0.29	$	0.39	$	0.56	$	0.48	$	1.72
Weighted average common shares outstanding used in the diluted earnings per share calculation		18,407		18,483		18,533		19,281		18,676
Dividends paid per share	$	—	$	0.18	$	0.18	$	0.18	$	0.54

(1) Diluted earnings per common share for each quarter presented above are based on the respective weighted average number of common shares for the respective quarter. The dilutive potential common shares outstanding for each period and the sum of the quarters may not necessarily be equal to the full year diluted earnings per common share amount.