Selected Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Schedule of quarterly financial information

	First		Second		Third		Fourth		Total
	Quarter		Quarter		Quarter		Quarter		Year
	(in thousands, except per share data)
2020
Revenues	$	166,620	$	183,713	$	189,433	$	170,176	$	709,942
Gross profit		19,758		20,744		22,501		21,700		84,703
Operating income		4,365		4,084		13,085		5,052		26,586
Income before income taxes		3,100		3,008		12,106		3,982		22,196
Net income		2,723		2,028		11,803		3,666		20,220
Earnings per share:
Basic	$	0.09	$	0.07	$	0.39	$	0.12	$	0.67
Diluted	$	0.09	$	0.07	$	0.39	$	0.12	$	0.67
	First		Second		Third		Fourth		Total
	Quarter		Quarter		Quarter		Quarter		Year
	(in thousands, except per share data)
2019
Revenues	$	143,105	$	165,985	$	199,507	$	199,793	$	708,390
Gross profit		9,082		14,977		20,893		19,089		64,041
Operating (loss) income		(6,177)		(423)		6,092		2,701		2,193
(Loss) income before income taxes		(7,331)		(1,773)		4,506		1,107		(3,491)
Net (loss) income		(7,924)		(1,633)		4,039		159		(5,359)
(Loss) earnings per share:
Basic	$	(0.27)	$	(0.06)	$	0.14	$	0.01	$	(0.18)
Diluted	$	(0.27)	$	(0.06)	$	0.14	$	0.01	$	(0.18)