Revenue - Disaggregated by Sales Channel (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue
Revenue	$ 10,120	$ 9,178	$ 32,054	$ 27,850
Distributor
Disaggregation of Revenue
Revenue	5,385	5,720	18,952	18,469
Non-distributor
Disaggregation of Revenue
Revenue	$ 4,735	$ 3,458	$ 13,102	$ 9,381

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