For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

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-Publisher FASB
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Revenue Recognition - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Performance obligation	$ 500		$ 500
Revenue recognized	$ 66	$ 39	$ 299	$ 117
Geographic Concentration Risk \| Revenue Benchmark \| United States
Disaggregation of Revenue [Line Items]
Concentration risk percentage	40.00%	48.00%	51.00%	52.00%
Customer Concentration Risk \| Accounts Receivable \| Largest Customer
Disaggregation of Revenue [Line Items]
Concentration risk percentage			9.00%		10.00%