Revenue - Disaggregated by Geographic Region (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020 USD ($) region	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) region	Sep. 30, 2019 USD ($)
Disaggregation of Revenue
Number of primary geographic regions \| region	3		3
Revenue	$ 10,120	$ 9,178	$ 32,054	$ 27,850
North America
Disaggregation of Revenue
Revenue	2,109	1,527	5,033	7,244
EMEA
Disaggregation of Revenue
Revenue	859	2,048	4,586	6,776
APJ
Disaggregation of Revenue
Revenue	$ 7,152	$ 5,603	$ 22,435	$ 13,830

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details