XML 40 R28.htm IDEA: XBRL DOCUMENT v3.22.1
Basis of Presentation, Significant Accounting Policies and Fair Value Measurements - Other (Details)
3 Months Ended
Jul. 01, 2021
USD ($)
Mar. 31, 2022
USD ($)
customer
Dec. 31, 2021
USD ($)
Cash and cash equivalents   $ 57,794,000 $ 57,494,000
Money market funds included in cash and cash equivalents   56,800,000  
Cash equivalents     56,500,000
Allowance for credit losses   $ 0 $ 0
Number of reporting units   1  
Impairment of long-lived assets   $ 0  
Impairment of goodwill $ 0    
Credit Concentration Risk | Cash Held on Deposit | Pacific Western Bank      
Concentration risk, percentage   100.00%  
Credit Concentration Risk | Accounts Receivable | Customer One      
Concentration risk, percentage   98.00%  
Number of customers | customer   1  
Customer Concentration Risk | Revenue from Contract with Customer Benchmark | Customer One      
Concentration risk, percentage   98.00%  
Number of customers | customer   1