The Company and Summary of Significant Accounting Policies - Summary of Customers Percentage Accounted For 10% or More of Revenue and Accounts Receivable (Details) - Credit Concentration Risk	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenue
Concentration Risk [Line Items]
Concentration risk, percentage	10.00%	10.00%
Revenue | Pernas Electronics Co. Ltd.
Concentration Risk [Line Items]
Concentration risk, percentage	17.00%	27.00%
Revenue | Arrow Electronics, Inc.
Concentration Risk [Line Items]
Concentration risk, percentage	19.00%	18.00%
Revenue | Quantek Technology Corporation
Concentration Risk [Line Items]
Concentration risk, percentage	22.00%	20.00%
Accounts Receivable | Pernas Electronics Co. Ltd.
Concentration Risk [Line Items]
Concentration risk, percentage	12.00%	23.00%
Accounts Receivable | Arrow Electronics, Inc.
Concentration Risk [Line Items]
Concentration risk, percentage	26.00%	23.00%
Accounts Receivable | Quantek Technology Corporation
Concentration Risk [Line Items]
Concentration risk, percentage	32.00%	34.00%