Deferred Revenue and Advance Payments (Tables)

6 Months Ended

Jun. 30, 2017

Deferred revenue and advance payments (in thousands) from customers consisted of the following, as of:

	June 30,			December 31,
	2017			2016
Current:
Deferred product licenses revenue	$	10,513		$	13,023
Deferred subscription services revenue		17,741			18,303
Deferred product support revenue		156,804			162,781
Deferred other services revenue		8,681			10,015
Gross current deferred revenue and advance payments		193,739			204,122
Less: unpaid deferred revenue		(70,657	)		(98,587	)
Net current deferred revenue and advance payments	$	123,082		$	105,535

Non-current:
Deferred product licenses revenue	$	7,087		$	9,118
Deferred subscription services revenue		784			1,307
Deferred product support revenue		7,211			5,751
Deferred other services revenue		856			690
Gross non-current deferred revenue and advance payments		15,938			16,866
Less: unpaid deferred revenue		(5,241	)		(2,951	)
Net non-current deferred revenue and advance payments	$	10,697		$	13,915