Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Effect of Error Correction on Company's Financial Statements

The following table presents the effect of the error corrections on the Company’s consolidated balance sheet for the period indicated (in thousands):

	As of December 31, 2018
	As Reported			Adjustments			As Corrected
Deferred tax assets	$	1,373		$	3,981		$	5,354
Total assets	$	483,216		$	3,981		$	487,197
Other accrued expenses and current liabilities	$	27,565		$	(526	)	$	27,039
Total current liabilities	$	127,758		$	(526	)	$	127,232
Other long-term liabilities	$	28,153		$	(2,397	)	$	25,756
Total liabilities	$	194,082		$	(2,923	)	$	191,159
Accumulated deficit	$	(82,005	)	$	7,142		$	(74,863	)
Accumulated other comprehensive loss	$	(11,052	)	$	(238	)	$	(11,290	)
Total stockholders' equity	$	286,782		$	6,904		$	293,686
Total liabilities, mezzanine equity and stockholders' equity	$	483,216		$	3,981		$	487,197

The adjustments for amounts similar to the above were also made to the Company’s consolidated balance sheets as of March 31, 2018, June 30, 2018, September 30, 2018, and March 31, 2019, respectively. Additionally, the Company revised goodwill, total assets, and total liabilities, mezzanine equity and stockholders’ equity on the consolidated balance sheet as of December 31, 2017 and 2016, to correct these errors, resulting in a decrease of $1.6 million and $0.9 million, respectively, from the previously reported amounts. The consolidated statements of changes in stockholders’ equity (deficit) for the three month periods ended March 31, 2018 and 2019 have been corrected to reflect the adjustments described herein.

The following tables present the effect of the error corrections on the consolidated statements of operations for the periods indicated (in thousands, except per share data):

	Year Ended December 31, 2018
	As Reported		Adjustments			As Corrected
Income before income taxes	$	27,024	$	—		$	27,024
Income tax expense	$	13,309	$	(1,820	)	$	11,489
Net income	$	13,715	$	1,820		$	15,535
Net income per share attributable to common stockholders, basic	$	0.20	$	0.03		$	0.23
Net income per share attributable to common stockholders, diluted	$	0.18	$	0.03		$	0.21

	Year Ended December 31, 2017
	As Reported			Adjustments			As Corrected
Loss before income taxes	$	(36,411	)	$	—		$	(36,411	)
Income tax expense	$	62,996		$	2,534		$	65,530
Net loss	$	(99,407	)	$	(2,534	)	$	(101,941	)
Net loss per share attributable to common stockholders, basic	$	(1.89	)	$	(0.05	)	$	(1.94	)
Net loss per share attributable to common stockholders, diluted	$	(1.89	)	$	(0.05	)	$	(1.94	)

Reconciliation of Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported in the consolidated balance sheets that sum to the total of the amounts reported in the consolidated statements of cash flows (in thousands):

	December 31,
	2019		2018
Cash and cash equivalents	$	223,117	$	35,345
Restricted cash included in other long-term assets		380		340
Total cash, cash equivalents, and restricted cash	$	223,497	$	35,685

Schedule of Accounts Receivable Net

Accounts receivable, net consisted of the following (in thousands):

	December 31,
	2019		2018
Accounts receivable, trade	$	100,461	$	93,073
Contract assets		4,523		3,730
Accounts receivable, net	$	104,984	$	96,803

Schedule of Allowance for Doubtful Accounts

Activity in the allowance for doubtful accounts was as follows (in thousands):

	For the year ended December 31,
	2019			2018			2017
Balance, beginning of year	$	(1,150	)	$	(798	)	$	(565	)
Provision charged to expense		(671	)		(394	)		(610	)
Write-offs, net of recoveries		413			3			414
Effects of foreign currency translation		(7	)		39			(37	)
Balance, end of year	$	(1,415	)	$	(1,150	)	$	(798	)

Schedule of Other Income, Net

Other income, net consists of the following (in thousands):

	Year ended December 31,
	2019			2018			2017
Foreign exchange loss (gain)	$	745		$	(626	)	$	1,254
Other		(2,297	)		(1,954	)		(260	)
Other (income) expense, net	$	(1,552	)	$	(2,580	)	$	994