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REVENUE (Tables)

6 Months Ended

Jun. 30, 2020

The following table is a summary of our revenues by type for the three and six months ended June 30, 2020 and 2019 (in thousands):


	Three Months Ended June 30,						Six Months Ended June 30,
	2020		2019		2020		2019


Products and solutions net revenues	$	27,635	$	50,326	$	62,346	$	104,722
Subscription services	16,427		9,760		30,385		19,042
Support services	30,570		31,638		62,364		63,657
Professional services, training and other services	4,649		6,977		10,639		14,599

Total net revenues	$	79,281	$	98,701	$	165,734	$	202,020

The following table sets forth our revenues by geographic region for the three and six months ended June 30, 2020 and 2019 (in thousands):


	Three Months Ended June 30,						Six Months Ended June 30,
	2020		2019		2020		2019
Revenues:
United States	$	32,886	$	39,951	$	68,976	$	79,430
Other Americas	5,886		6,960		11,336		13,761
Europe, Middle East and Africa	28,706		37,439		61,941		74,592
Asia-Pacific	11,803		14,351		23,481		34,237
Total net revenues	$	79,281	$	98,701	$	165,734	$	202,020

Contract asset activity for the six months ended June 30, 2020 was as follows (in thousands):


	June 30, 2020
Contract asset at January 1, 2020	$	19,494
Revenue in excess of billings	13,155
Customer billings	(14,403)
Contract asset at June 30, 2020	$	18,246

Deferred revenue activity for the six months ended June 30, 2020 was as follows (in thousands):


	June 30, 2020
Deferred revenue at January 1, 2020	$	97,901
Billings deferred	39,334
Recognition of prior deferred revenue	(51,512)
Deferred revenue at June 30, 2020	$	85,723

A summary of the significant performance obligations included in deferred revenue as of June 30, 2020 is as follows (in thousands):


	June 30, 2020
Product	$	5,943
Subscription	2,031
Support contracts	65,161
Implied PCS	9,784
Professional services, training and other	2,804
Deferred revenue at June 30, 2020	$	85,723