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Company and Summary of Significant Accounting Policies - Accounts Receivable and Concentration of Credit Risk (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Concentration Risk [Line Items]
Accounts receivable, before allowance for credit loss	$ 5,900,000		$ 5,700,000
Allowance for doubtful accounts receivable	$ 155,000
Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration risk, customer	two		three
Accounts Receivable [Member] \| Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	10.00%
Revenue from Contract with Customer Benchmark [Member] \| Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, customer	one	three
Concentration risk, percentage	10.00%	10.00%