Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.24.0.1
Summary of Significant Accounting Policies - Additional Information (Details)
1 Months Ended 12 Months Ended
Sep. 30, 2020
USD ($)
Dec. 31, 2023
USD ($)
segment
$ / shares
shares
Jan. 01, 2023
USD ($)
shares
Jan. 02, 2022
USD ($)
Dec. 05, 2021
$ / shares
Jul. 31, 2021
$ / shares
shares
Class of Warrant or Right [Line Items]            
Number of operating segments | segment   1        
Restricted cash included in prepaid expenses, other current assets and other assets, non-current   $ 2,002,000 $ 125,000 $ 125,000    
Writeoff of accounts receivable   0        
Accounts receivable, net   909,000 170,000      
Notes receivable, net   $ 1,514,000 $ 0      
Estimated useful life   5 years        
Goodwill, impairment loss   $ 0        
Deferred contract cost   $ 800,000        
Granted (in shares) (less than) | shares   0 60,000      
Research and Development Cost Reimbursement            
Class of Warrant or Right [Line Items]            
Financial assistance $ 6,500,000          
Government assistance, expenses reimbursed, percentage   49.80%        
Government assistance, expenses paid by company, percentage   50.20%        
Financial assistance receivable   $ 0 $ 400,000      
Government assistance, current, statement of financial position [Extensible Enumeration]   Prepaid expenses and other current assets Prepaid expenses and other current assets      
Performance Restricted Stock Units            
Class of Warrant or Right [Line Items]            
Vesting period   2 years        
Stock options outstanding            
Class of Warrant or Right [Line Items]            
Contractual term   10 years        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01            
Class of Warrant or Right [Line Items]            
Remaining performance obligation, percentage   64.00%        
Minimum            
Class of Warrant or Right [Line Items]            
Term of service revenue contracts   1 year        
Term of product warranties   1 year        
Minimum | RSUs            
Class of Warrant or Right [Line Items]            
Vesting period   4 years        
Minimum | Stock options outstanding            
Class of Warrant or Right [Line Items]            
Vesting period   4 years        
Maximum            
Class of Warrant or Right [Line Items]            
Term of service revenue contracts   3 years        
Term of product warranties   4 years        
Maximum | RSUs            
Class of Warrant or Right [Line Items]            
Vesting period   5 years        
Maximum | Stock options outstanding            
Class of Warrant or Right [Line Items]            
Vesting period   5 years        
Revenue Benchmark | Customer Concentration Risk | Customer D            
Class of Warrant or Right [Line Items]            
Concentration risk, percentage   75.00%        
Revenue Benchmark | Customer Concentration Risk | Customer A            
Class of Warrant or Right [Line Items]            
Concentration risk, percentage     81.00%      
Revenue Benchmark | Customer Concentration Risk | Customer C            
Class of Warrant or Right [Line Items]            
Concentration risk, percentage     14.00%      
Accounts Receivable | Customer Concentration Risk | Customer C            
Class of Warrant or Right [Line Items]            
Concentration risk, percentage   13.00% 84.00%      
Accounts Receivable | Customer Concentration Risk | Customer E            
Class of Warrant or Right [Line Items]            
Concentration risk, percentage   45.00%        
Accounts Receivable | Customer Concentration Risk | Customer F            
Class of Warrant or Right [Line Items]            
Concentration risk, percentage   11.00%        
Common Stock Warrants            
Class of Warrant or Right [Line Items]            
Warrants outstanding (in shares) | shares           17,500,000
Contractual term   5 years        
Outstanding public warrant redemption price (in dollars per share) | $ / shares   $ 0.01        
Warrant redemption condition minimum share price (in dollars per share) | $ / shares   $ 18.00        
Private Placement Warrants            
Class of Warrant or Right [Line Items]            
Warrants outstanding (in shares) | shares   6,000,000       6,000,000
Exercise price of warrants (in dollars per share) | $ / shares         $ 11.50 $ 11.50