Revenue

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table sets forth the Company’s revenue disaggregated by revenue source for the three and six months ended June 30, 2020 and 2019:



	Three Months Ended June 30,								Six Months Ended June 30,
	2020				2019				2020				2019
(in thousands)	$		%		$		%		$		%		$		%
User pay revenue:
Video	$	61,350	67.9	%	$	21,279	40.9	%	$	89,983	61.9	%	$	41,508	40.9	%
Subscription and other in-app products	20,031		22.2	%	15,642		30.1	%	34,426		23.7	%	31,238		30.8	%
Total user pay revenue	81,381		90.1	%	36,921		71.0	%	124,409		85.6	%	72,746		71.7	%
Advertising revenue	8,951		9.9	%	15,079		29.0	%	20,989		14.4	%	28,767		28.3	%
Total revenue	$	90,332	100.0	%	$	52,000	100.0	%	$	145,398	100.0	%	$	101,513	100.0	%

Significant Customers

During the six months ended June 30, 2020 and 2019, three and two customers, all of which were advertising aggregators or payment processors representing thousands of customers, comprised 76% and 61% of total revenue, respectively.

Contract Assets and Contract Liabilities

The following table sets forth the composition of the Company’s contract assets and liabilities as of June 30, 2020 and December 31, 2019:



(in thousands)	June 30, 2020		December 31, 2019
Assets:
Accounts receivable	$	34,528	$	25,503
Total contract assets	$	34,528	$	25,503
Liabilities:
Deferred revenue	$	3,720	$	3,884
Total contract liabilities	$	3,720	$	3,884

The Company’s deferred revenue balance for the six months ended June 30, 2020 increased by $118.9 million due to consideration received in advance of providing services to subscription and in-app purchases’ customers, including in-app purchases related to video. This amount was offset by $119.0 million of revenue recognized from deferred revenue due to performance obligations satisfied during the six months ended June 30, 2020.