Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Data (Unaudited)

17. QUARTERLY FINANCIAL DATA (unaudited)

The following table summarizes the Company's unaudited quarterly results of operations (in thousands, except per share data):

	2017
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Service revenue, net	$	93,781	$	94,552	$	98,681	$	99,448
Direct costs, excluding depreciation and amortization		51,105		51,955		53,144		55,569
Income from operations		15,944		16,279		17,198		15,437
Net income		8,447		9,553		9,831		11,291
Net income per share attributable to common shareholders - Basic	$	0.21	$	0.24	$	0.25	$	0.30
Net income per share attributable to common shareholders - Diluted	$	0.20	$	0.23	$	0.25	$	0.30

	2016
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Service revenue, net	$	87,800	$	92,633	$	94,812	$	95,376
Direct costs, excluding depreciation and amortization		46,981		49,234		51,221		51,074
Income (loss) from operations		12,869		14,114		12,617		12,890
Net income (loss)		3,448		4,962		5,036		(21	)
Net income (loss) per share attributable to common shareholders - Basic	$	0.11	$	0.15	$	0.14	$	(0.00	)
Net income (loss) per share attributable to common shareholders - Diluted	$	0.11	$	0.15	$	0.13	$	(0.00	)