Select Quarterly Financial Data (unaudited) (Tables)

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Schedule of unaudited quarterly results of operations

The following table presents the Company’s unaudited quarterly results of operations for each of the last eight quarters in the period ended December 31, 2015. The unaudited information has been prepared on the same basis as the audited consolidated financial statements.

	Year Ended December 31, 2015
	Fourth Quarter			Third Quarter		Second Quarter			First Quarter
	(in thousands, except per share data)
Sales	$	70,314		$	78,260	$	77,959		$	81,600
Gross profit	$	15,120		$	16,131	$	16,935		$	17,724
Operating income (loss)	$	743	(1)	$	1,783	$	(234	)(2)	$	3,726
Net income (loss)	$	(199	)(1)	$	676	$	(619	)(2)	$	2,186
Earnings (loss) per share:
Basic	$	(0.01	)(1)	$	0.04	$	(0.04	)(2)	$	0.13
Diluted	$	(0.01	)(1)	$	0.04	$	(0.04	)(2)	$	0.13
	Year Ended December 31, 2014
	Fourth Quarter			Third Quarter		Second Quarter			First Quarter
	(in thousands, except per share data)
Sales	$	89,530		$	96,721	$	103,461		$	100,299
Gross profit	$	20,718		$	21,077	$	22,439		$	21,704
Operating income	$	6,207		$	5,980	$	6,888		$	6,348
Net income	$	3,668		$	3,528	$	4,031		$	3,745
Earnings per share:
Basic	$	0.21		$	0.20	$	0.23		$	0.21
Diluted	$	0.21		$	0.20	$	0.23		$	0.21

(1) During the fourth quarter of 2015, the Company recorded a non-cash impairment charge of $423. See Note 3 for additional information.

(2) During the second quarter of 2015, the Company recorded a non-cash impairment charge of $2,994. See Note 3 for additional information.