Revenue - Disaggregated by Sales Channel (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue
Revenue	$ 42,031	$ 37,503
Distributor
Disaggregation of Revenue
Revenue	26,027	24,724
Non-distributor
Disaggregation of Revenue
Revenue	$ 16,004	$ 12,779

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