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Description of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Schedule of Activity in the Allowance for Doubtful Accounts

The activity in the allowance for doubtful accounts is as follows (amounts in thousands):



Year Ended December 31,	Beginning Balance		Additions Charged to Costs and Expenses		Deductions / Write-Offs			Ending Balance
2017	$	1,732	$	1,895	$	(2,309	)	$	1,318
2018	$	1,318	$	1,814	$	(856	)	$	2,276
2019	$	2,276	$	2,159	$	(1,365	)	$	3,070

Schedule of Deferred Revenue by Revenue Source

The following table presents deferred revenue by revenue source (amounts in thousands):



	December 31,
	2019		2018
Hosted services – Business	$	82,892	$	51,689
Hosted services – Consumer	687		543
Professional services – Business	5,172		2,783
Total deferred revenue - short term	$	88,751	$	55,015

Hosted services – Business	$	—	$	19
Professional services – Business	438		203
Total deferred revenue - long term	$	438	$	222

Schedule of Disaggregated of Revenue

Disaggregated Revenue

The following table presents the Company's revenues disaggregated by revenue source (amounts in thousands):



	December 31,
	2019		2018		2017
Revenue:
Hosted services – Business	$	225,705	$	197,474	$	178,686
Hosted services – Consumer	24,480		19,553		17,450
Professional services	41,424		32,811		22,740
Total revenue	$	291,609	$	249,838	$	218,876

Schedule of Revenue by Geographic Location

The following table presents the Company's revenues attributable to domestic and foreign operations for the years ended (amounts in thousands):



	December 31,
	2019		2018		2017
United States	$	170,815	$	146,702	$	137,433
Other Americas ⁽¹⁾	11,462		7,315		6,987
Total Americas	182,277		154,017		144,420
EMEA ^{(2) (4)}	78,301		71,318		56,310
APAC ⁽³⁾	31,031		24,503		18,146
Total revenue	$	291,609	$	249,838	$	218,876

⁽¹⁾ Canada, Latin America and South America

⁽²⁾ Europe, the Middle East and Africa (“EMEA”)

⁽³⁾ Asia-Pacific (“APAC”)

⁽⁴⁾Includes revenue from the United Kingdom of $50.4 million, $46.5 million, and $38.9 million for the year ended December 31, 2019, 2018, and 2017, respectively. and from the Netherlands of $10.0 million, $8.7 million, and $2.0 million for the year ended December 31, 2019, 2018, and 2017, respectively.

Schedule of Receivables, Contract Acquisition Costs, and Deferred Revenue

The opening and closing balances of the Company's accounts receivable, unbilled receivables, and deferred revenues are as follows (amounts in thousands):



	Accounts Receivable		Unbilled Receivable		Contract Acquisition Costs noncurrent		Deferred Revenue (current)		Deferred Revenue (long term)
Opening Balance as of December 31, 2018	$	34,211	$	11,812	$	13,361	$	55,015	$	222
Increase (decrease), net	36,107		5,490		18,604		33,736		216
Ending Balance as of December 31, 2019	$	70,318	$	17,302	$	31,965	$	88,751	$	438

Schedule of Impact of Correction on Previously Issued Consolidated Financial Statements

The effects of the above correction on the Company’s consolidated balance sheets is as follows (amounts in thousands):



	2019
	As of March 31,			As of June 30,			As of September 30,
Prepaid expenses and other current assets
As previously reported	$	29,290		$	35,317		$	41,806
Adjustment	(16,808		)	(19,995		)	(25,993		)
As revised	12,482			15,322			15,813

Current assets
As previously reported	318,362			311,511			300,746
Adjustment	(16,808		)	(19,995		)	(25,993		)
As revised	301,554			291,516			274,753

Contract acquisition costs
As previously reported	—			—			—
Adjustment	16,808			19,995			25,993
As revised	16,808			19,995			25,993



	2018
	As of March 31,			As of June 30,			As of September 30,			As of December 31,
Prepaid expenses and other current assets
As previously reported	$	13,194		$	16,885		$	18,722		$	22,613
Adjustment	(5,539		)	(7,852		)	(10,880		)	(13,361		)
As revised	7,655			9,033			7,842			9,252

Current assets
As previously reported	116,787			124,957			136,800			135,085
Adjustment	(5,539		)	(7,852		)	(10,880		)	(13,361		)
As revised	111,248			117,105			125,920			121,724

Contract acquisition costs
As previously reported	—			—			—			—
Adjustment	5,539			7,852			10,880			13,361
As revised	5,539			7,852			10,880			13,361