Significant Risk Concentrations (Tables)

3 Months Ended

Mar. 31, 2020

Risks And Uncertainties [Abstract]

Summary of Rebate Program Recorded Under Rebate Credits

Under this rebate program, we recorded rebate credits as follows (in thousands):

	Three Months Ended March 31,
	2020		2019
Reductions to cost of revenue	$	113	$	82
Reductions to marketing expense	$	219	$	413