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The Company and Summary of Significant Accounting Policies , Concentration of Credit Risk (Details) - Customer Concentration Risk [Member]	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Exclusive Networks Group [Member] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration (percent)	33.00%	34.00%
Exclusive Networks Group [Member] | Sales Revenue [Member]
Concentration Risk [Line Items]
Concentration (percent)	31.00%	30.00%	31.00%
TD Synnex [Member] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration (percent)	13.00%
Ingram Micro [Member] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration (percent)	13.00%	11.00%
Ingram Micro [Member] | Sales Revenue [Member]
Concentration Risk [Line Items]
Concentration (percent)	12.00%	10.00%	11.00%

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