Revenue (Tables)

6 Months Ended

Jun. 30, 2021

Revenue

Revenues disaggregated by geography, major product line and timing of revenue recognition

Revenue by major products (in thousands)

	Three months ended June 30,				Six months ended June 30,
	2021		2020		2021		2020
Hardware products	$	19,451	$	24,188	$	37,119	$	43,926
Software licenses		8,927		11,196		19,704		29,718
Subscription		9,824		6,133		18,229		11,840
Professional services		1,041		1,326		2,443		2,747
Maintenance, support, and other		13,034		12,111		25,557		23,093
Total Revenue	$	52,277	$	54,954	$	103,052	$	111,324

Revenue by location of customer for the three months ended June 30, 2021 and 2020 (in thousands)

	EMEA			Americas			APAC			Total
Total Revenue:
2021	$	24,830		$	17,011		$	10,436		$	52,277
2020	$	28,336		$	13,932		$	12,686		$	54,954
Percent of Total:
2021		47	%		33	%		20	%		100	%
2020		52	%		25	%		23	%		100	%

Revenue by location of customer for the six months ended June 30, 2021 and 2020 (in thousands)

	EMEA			Americas			APAC			Total
Total Revenue:
2021	$	51,819		$	33,539		$	17,694		$	103,052
2020	$	61,940		$	26,265		$	23,119		$	111,324
Percent of Total:
2021		50	%		33	%		17	%		100	%
2020		56	%		24	%		20	%		100	%

Timing of revenue recognition (in thousands)

	Three months ended June 30,				Six months ended June 30,
	2021		2020		2021		2020
Products and Licenses transferred at a point in time	$	28,378	$	35,384	$	56,823	$	73,644
Services transferred over time		23,899		19,570		46,229		37,680
Total Revenue	$	52,277	$	54,954	$	103,052	$	111,324

Schedule of changes in contract assets and contract liabilities

		June 30,		December 31,
	2021		2020
Receivables, inclusive of trade and unbilled	$	45,762	$	57,537
Contract Assets (current and non-current)	$	6,877	$	9,079
Contract Liabilities (Deferred Revenue current and non-current)	$	53,734	$	55,147

Schedule of estimated revenue expected to be recognized in the future

in thousands	2021		2022		2023		Beyond 2023		Total
Future revenue related to current unsatisfied performance obligations	$	14,877	$	19,855	$	12,057	$	7,043	$	53,832

Schedule of information related to the capitalized costs and amortization recognized in the current and prior period

in thousands		June 30,  2021		December 31, 2020
Capitalized costs to obtain contracts, current	$	1,622	$	1,222
Capitalized costs to obtain contracts, non-current	$	6,706	$	5,464

		Three months ended June 30,				Six months ended June 30,
in thousands		2021		2020		2021		2020
Amortization of capitalized costs to obtain contracts	$	361	$	264	$	671	$	433
Impairments of capitalized costs to obtain contracts	$	-	$	-	$	-	$	-