Quarterly report pursuant to Section 13 or 15(d)

Stock Option and Incentive Plans - Additional Information (Detail)

v3.23.3
Stock Option and Incentive Plans - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 9 Months Ended
Jan. 01, 2023
Dec. 31, 2015
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
May 17, 2022
Dec. 31, 2021
Jul. 28, 2014
Apr. 29, 2014
Feb. 24, 2014
Feb. 26, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of shares of common stock reserved pursuant to the plan     7,127,939   7,127,939   2,795,645            
Number of common stock shares outstanding     79,582   79,582   55,565            
Weighted average grant date fair value of options       $ 24 $ 5.02 $ 244.8              
Unrecognized compensation cost related to unvested stock options     $ 2.2   $ 2.2                
Weighted average period of unvested stock options         1 year 8 months 12 days                
Options, granted     0                    
Employee Stock Options [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Compensation expense recognized     $ 0.7 $ 1.0 $ 2.4 $ 2.9              
Amended and Restated 2008 Equity Incentive Plan [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of shares of common stock reserved pursuant to the plan                         1,964
Termination of service, Period         2 years                
2008 Equity Incentive Plan [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of shares of common stock reserved pursuant to the plan                     2,946 2,321  
Termination of service, Period         10 years                
2014 Omnibus Incentive Plan [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of shares of common stock reserved pursuant to the plan                   715      
Number of additional shares increases of common stock reserved pursuant to the plan 77,157                        
2014 Omnibus Incentive Plan [Member] | Maximum [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Annual increase of plan, percentage of common stock shares outstanding   4.00%                      
2021 Employment Inducement Omnibus Incentive Plan [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of shares of common stock reserved pursuant to the plan                 12,500        
Two Thousand and Twenty Two Employee Stock Purchase Plan [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of shares of common stock reserved pursuant to the plan               10,000          
Number of common stock shares outstanding     0   0                
Discount rate from fair value on offering date that participants pay for shares.         85.00%