Organization and Summary of Significant Accounting Policies - Summary of Revenue as Percentage of Total Revenue for Each Significant Customer, or Distributor, and Significant End-Customer (Details) - Sales Revenue, Net - Customer Concentration Risk	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Customer A
Product Information [Line Items]
Concentration risk, percentage	66.00%	70.00%	61.00%	76.00%
End-Customer A
Product Information [Line Items]
Concentration risk, percentage	65.00%	59.00%	50.00%	62.00%
End-Customer B
Product Information [Line Items]
Concentration risk, percentage			11.00%