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Stockholders' Equity - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 14, 2022
Sep. 30, 2022
Sep. 30, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Common stock, shares authorized   950,000 950,000 950,000,000 950,000,000  
Common stock, par or stated value per share   $ 0.0001 $ 0.0001 $ 0.0001 $ 0.0001  
Common stock, shares, issued   84,254 84,254 65,772,001 65,742,883  
Common stock, shares, outstanding   84,254 84,254 65,772,001 65,742,883  
Common stock, voting rights       one vote    
Share based compensation arrangement by share-based payment award, terms of award 10          
Share based compensation arrangement by share-based payment award, award requisite service period     90 days      
Common stock, capital shares reserved for future issuance   9,907 9,907      
Share based payment arrangement, nonvested award, cost not yet recognized, period for recognition     3 years 3 months 18 days      
Common Stock and Preferred Stock Shares Authorized   1,000,000 1,000,000      
Preferred Stock, Shares Authorized   50,000 50,000      
Preferred Stock, Par or Stated Value Per Share   $ 0.0001 $ 0.0001      
Sharebased compensation arrangement share options granted during period   0        
Share-Based compensation arrangement by share-Based payment award, purchase Price of common stock, percent 100.00%          
BRPC II [Member] | Common Stock Purchase Agreement [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Maximum Number of Common Stock Issuable 200,000          
Agreement Period 24 months          
Common stock issuance discount rate 3.00%          
Percentage of common stock outstanding which can be issued 19.99%          
Stock Issued During Period, Shares, New Issues     85      
Issuance Costs     $ 272,000      
Stock issued during period, shares, other     0      
Public Warrants [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Exercise price of warrant $ 11.5          
Number of warrants or rights outstanding   29,483 29,483      
Private Placement Warrants [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Exercise price of warrant 11.5          
Number of warrants or rights outstanding   16,400 16,400      
PIPE Units [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Exercise price of warrant $ 12.5          
Number of warrants or rights outstanding 2,052          
Class of warrants and rights issued during the period 2,052          
Class of warrants and rights issued, price per warrant $ 10          
Number of securities into which each warrant or right may be converted 1          
PIPE Units [Member] | Share Price Equal Or Exceeds Twenty Dollar Per Share [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Share price $ 20          
2008 Stock Plan [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Share based compensation arrangement by share-based payment award, terms of award     10 10    
Share based compensation arrangement by share-based payment award, award requisite service period       90 days    
Common stock, capital shares reserved for future issuance   12,642 12,642 12,642,364    
Number of shares issued under share-based payment arrangement       375,546    
Total intrinsic value of stock options exercised       $ 28,000 $ 1,000  
Share based compensation arrangement by share based payment award, options, vested in period, fair value       273,000 $ 9,000  
Share based payment arrangement, nonvested award, cost not yet recognized       $ 404,000    
Share based payment arrangement, nonvested award, cost not yet recognized, period for recognition       9 months 18 days    
Share based compensation arrangement share options granted fair value per share       $ 2.5 $ 1.73  
Sharebased compensation arrangement share options granted during period       3,609,610 1,393,713  
Options granted, Weighted- Average Exercise Price Per Share       $ 2.43 $ 1.73  
Share-based compensation arrangement by share-based payment award, options outstanding number       10,056,990 8,473,849 8,558,849
2008 Stock Plan [Member] | Minimum [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Share based compensation arrangement by share-based payment award, award vesting period     2 years 2 years    
2008 Stock Plan [Member] | Maximum [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Share based compensation arrangement by share-based payment award, award vesting period     4 years 4 years    
2016 Equity Incentive Plan [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Share based compensation arrangement by share-based payment award, terms of award       10    
Share based compensation arrangement by share-based payment award, award vesting period       4 years    
Common stock, capital shares reserved for future issuance       16,378,888    
Number of shares issued under share-based payment arrangement       5,749,559    
Total intrinsic value of stock options exercised       $ 54,000 $ 29,000  
Share based compensation arrangement by share based payment award, options, vested in period, fair value       859,000 $ 42,000  
Share based payment arrangement, nonvested award, cost not yet recognized   $ 9,164,000 $ 9,164,000 $ 4,436,000    
Share based payment arrangement, nonvested award, cost not yet recognized, period for recognition       3 years 3 months 18 days    
Share based compensation arrangement share options granted fair value per share       $ 1.14    
Sharebased compensation arrangement share options granted during period     3,875 4,707,235 0  
Options granted, Weighted- Average Exercise Price Per Share     $ 2.62 $ 1.77 $ 0  
Share-based compensation arrangement by share-based payment award, options outstanding number   14,216 14,216 10,372,865 5,731,145 6,000,484
2022 Plan [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Common stock, capital shares reserved for future issuance 9,900          
Common stock capital shares reserved for future issuance increase 15,000          
2022 ESPP            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Share based compensation arrangement by share-based payment award, terms of award 27          
Common stock, capital shares reserved for future issuance 990          
Share-Based compensation arrangement by share-Based payment award, purchase Price of common stock, percent 85.00%          
Executive Incentive Compensation Plan [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Sharebased compensation arrangement share options granted during period     0      
Share-Based Payment Arrangement, Nonemployee [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Share-Based compensation arrangement by share-Based payment award, purchase Price of common stock, percent 110.00%          
Percentage of Shareholding 10.00%          
Dividend Declared [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Dividends payable       $ 0