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Stockholders' Deficit - Additional Information (Detail)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended 108 Months Ended
Dec. 29, 2023
USD ($)
$ / shares
shares
Sep. 11, 2023
USD ($)
$ / shares
shares
Jul. 20, 2023
USD ($)
$ / shares
shares
Feb. 15, 2023
USD ($)
$ / shares
shares
Dec. 12, 2022
USD ($)
$ / shares
shares
Mar. 09, 2021
$ / shares
shares
Apr. 30, 2021
Dec. 31, 2023
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Oct. 18, 2023
shares
Jul. 25, 2023
$ / shares
Feb. 28, 2023
USD ($)
Feb. 17, 2023
$ / shares
Aug. 31, 2022
$ / shares
Class Of Stock [Line Items]                                
Common stock, shares authorized (in shares) | shares               1,350,000,000 900,000,000   1,350,000,000 900,000,000        
Common stock, par value (in dollars per share) | $ / shares           $ 0.0001   $ 0.0001 $ 0.0001   $ 0.0001          
Preferred stock, shares authorized (in shares) | shares               20,000,000     20,000,000 20,000,000        
Common stock, shares issued (in shares) | shares               670,867,344 421,569,115   670,867,344          
Common stock, shares outstanding (in shares) | shares               670,867,344 421,569,115   670,867,344          
Treasury stock, shares outstanding (in shares) | shares               163,800 163,800   163,800          
Sale of stock, additional purchase option $ 10,000                              
Issuance of common stock in exchange for notes payable (in shares) | shares   209,291,936                            
Conversion price (in dollars per share) | $ / shares   $ 1.29     $ 5.67                      
Convertible notes | Affiliated Entity                                
Class Of Stock [Line Items]                                
Less: Unamortized Discounts                 $ 21,108              
Convertible notes | Nant Capital, NantWorks, LLC, NantCancerStemCell, LLC, and NantMobile, LLC | Affiliated Entity                                
Class Of Stock [Line Items]                                
Aggregate principal and accrued interest   $ 270,000     $ 56,600                      
Conversion price (in dollars per share) | $ / shares                               $ 5.67
Convertible notes | NantWorks, LLC                                
Class Of Stock [Line Items]                                
Less: Unamortized Discounts         $ 4,700                      
Additional paid in capital                 51,900              
Convertible notes | NantWorks                                
Class Of Stock [Line Items]                                
Conversion of convertible notes (in shares) | shares         9,986,920                      
Convertible notes | NantWorks, LLC Member | Affiliated Entity                                
Class Of Stock [Line Items]                                
Aggregate principal and accrued interest         $ 56,600                      
February 2023 Warrants                                
Class Of Stock [Line Items]                                
Exercise price of warrants (in dollars per share) | $ / shares                         $ 3.2946   $ 4.2636  
December 2022 Warrants                                
Class Of Stock [Line Items]                                
Exercise price of warrants (in dollars per share) | $ / shares         $ 6.60                      
ATM Offering Program                                
Class Of Stock [Line Items]                                
Available for future stock issuance               $ 208,800     $ 208,800          
Issuance of common stock               16,100 13,100 $ 164,500            
Maximum | ATM Offering Program                                
Class Of Stock [Line Items]                                
Percentage of sales agent commission             3.00%                  
February 2023 Shelf Registration Statement                                
Class Of Stock [Line Items]                                
Maximum offering                           $ 750,000    
Sales of stock issued in transaction               184,400                
Available for future stock issuance               565,600     565,600          
Private Placement and At The Market Offerings                                
Class Of Stock [Line Items]                                
Sales of stock issued in transaction       $ 47,000                        
Issuance of common stock               100,561 60,427 164,530            
Sale of stock issued in transaction (in shares) | shares       14,072,615                        
Sale of stock issued in transaction (in dollars per share) | $ / shares       $ 3.5530                        
Placement agent fees and other offering costs       $ 3,000                        
Stock issuance costs               2,000                
Private Placement and At The Market Offerings | February 2023 Warrants                                
Class Of Stock [Line Items]                                
Number of securities called by warrants (in shares) | shares       14,072,615                        
Private Placement                                
Class Of Stock [Line Items]                                
Sales of stock issued in transaction         $ 47,000                      
Sale of stock issued in transaction (in shares) | shares 2,432,894   14,569,296 14,072,615 9,090,909                      
Sale of stock issued in transaction (in dollars per share) | $ / shares         $ 5.50                      
Placement agent fees and other offering costs     $ 2,500   $ 3,000                      
Stock issuance costs                 1,900              
Private Placement | July 2023 Warrants                                
Class Of Stock [Line Items]                                
Sales of stock issued in transaction     $ 37,500                          
Number of securities called by warrants (in shares) | shares     14,569,296                          
Exercise price of warrants (in dollars per share) | $ / shares     $ 3.2946                          
Sale of stock issued in transaction (in dollars per share) | $ / shares     $ 2.7455                          
Stock issuance costs     $ 12,700                          
Private Placement | December 2022 Warrants                                
Class Of Stock [Line Items]                                
Number of securities called by warrants (in shares) | shares         9,090,909                      
Stock Purchase and Option Agreement                                
Class Of Stock [Line Items]                                
Sales of stock issued in transaction $ 10,000                              
Issuance of common stock               9,542 $ 0 $ 0            
Sale of stock issued in transaction (in dollars per share) | $ / shares $ 4.1103                              
Placement agent fees and other offering costs               500     500          
Sale of stock, additional purchase option $ 10,000                              
Percent of common stock outstanding after option exercise, maximum 19.90%                              
2015 Share Repurchase Plan                                
Class Of Stock [Line Items]                                
Stock repurchase program, authorized amount               $ 50,000     $ 50,000          
Repurchase of common stock, shares (in shares) | shares               0 0 0 6,403,489          
Repurchase of common stock, value                     $ 31,700          
Remaining authorized repurchase amount               $ 18,300     $ 18,300          
NantCell                                
Class Of Stock [Line Items]                                
Common stock, par value (in dollars per share) | $ / shares           $ 0.001                    
Merger exchange ratio           0.8190                    
Issuance of common stock, net (in shares) | shares           273,700,000