Quarterly report pursuant to Section 13 or 15(d)

Convertible Redeemable Preferred Stock and Stockholders' Equity - Additional Information (Detail)

v3.23.2
Convertible Redeemable Preferred Stock and Stockholders' Equity - Additional Information (Detail) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
May 24, 2023
Jan. 09, 2023
Jun. 27, 2022
Jul. 23, 2020
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Jun. 05, 2023
Sep. 30, 2022
Mar. 31, 2022
Mar. 01, 2022
Temporary Equity And Stockholders Equity [Line Items]                              
Preferred stock, shares authorized         1,000,000,000   1,000,000,000                
Common stock, par value         $ 0.001   $ 0.001   $ 0.001            
Common stock value         $ 1,000   $ 1,000   $ 0            
Issuance costs for common stock warrants             $ 224,000 $ 0              
Convertible preferred stock, shares issued         1,000,000,000   1,000,000,000                
Common stock authorized for issuance         413   413                
Compensation expense related to stock options         $ 100,000 $ 900,000 $ 800,000 1,100,000              
Total unrecognized compensation expense         1,000,000 2,000,000 1,000,000 $ 2,000,000              
Other liabilities         79,000   $ 79,000   362,000            
Unrecognized share based compensation expense to be recognized over weighted-average period             1 year 1 month 6 days                
Common stock offered             366,154 25,919              
Allocated Share-based Compensation Expense         84,000 890,000 $ 775,000 $ 1,100,000              
Additional paid-in-capital         $ 314,119,000   314,119,000   301,790,000            
June 2022 Warrants [Member]                              
Temporary Equity And Stockholders Equity [Line Items]                              
Weighted average exercise price of warrants     $ 0.1                        
Sale of common stock, shares     6,787                        
Proceeds from offering     $ 6,500,000                        
Combined purchase price of share and warrant     $ 462.5                        
June 2022 Pre-Funded Warrants [Member]                              
Temporary Equity And Stockholders Equity [Line Items]                              
Equity raise of gross proceeds     $ 5,600,000                        
Warrant issued     7,266                        
Combined purchase price of share and warrant     $ 462.4                        
July 2020 Warrants                              
Temporary Equity And Stockholders Equity [Line Items]                              
Issuance costs for warrants             15,300,000                
Conversion of preferred stock into common stock       2,500                      
July 2020 Warrants | Rights Offering                              
Temporary Equity And Stockholders Equity [Line Items]                              
Allocated to the warrants based upon fair values       $ 15,300,000                      
Series F Convertible Preferred Stock and July 2020 Warrants | Rights Offering                              
Temporary Equity And Stockholders Equity [Line Items]                              
Deemed dividend on convertible preferred stock                     $ 14,700,000        
Series F Convertible Preferred Stock                              
Temporary Equity And Stockholders Equity [Line Items]                              
Preferred stock, shares authorized       18,000                      
Conversion price       $ 1,000                      
Series F Convertible Preferred Stock                              
Temporary Equity And Stockholders Equity [Line Items]                              
Common stock value       $ 1,000,000                      
Issuance costs for warrants             $ 2,700,000                
Proceeds of common stock and warrants       18,000,000                      
Deemed dividend on convertible preferred stock       $ 2,700,000         $ 200,000 $ 500,000          
Conversion of preferred stock into common stock       18,000                      
Convertible preferred stock, shares outstanding         0   0   0            
Preferred stock par value       $ 0.001                      
Series F Convertible Preferred Stock | Rights Offering                              
Temporary Equity And Stockholders Equity [Line Items]                              
Proceeds allocated to the warrants based upon fair values       $ 2,700,000                      
Series G Redeemable Preferred Stock                              
Temporary Equity And Stockholders Equity [Line Items]                              
Temporary equity, par value                             $ 0.001
Series H Convertible Preferred Stock                              
Temporary Equity And Stockholders Equity [Line Items]                              
Preferred stock, shares authorized         370,000   370,000                
PreferredStockRedemptionAmount $ 7,800,000                            
Paid in-kind Dividends Percentage 20.00%                            
Issuance costs for warrants $ 3,400,000                            
Conversion price $ 13.98                            
Preferred Stock, Convertible, Conversion Price $ 50                            
Proceeds from Warrant Exercise $ 2,700,000                            
Temporary conversion of warrants into share 20,000                            
Temporary conversion of preferred stock into common stock 183,000                            
Proceeds of common stock and warrants $ 4,600,000                            
Allocated to the warrants based upon fair values $ 1,200,000                            
Weighted average exercise price of warrants $ 13                            
Risk-free interest rate 48.00%                            
Warrants And Rights Outstanding $ 50,000                            
Preferred Stock Redemption Discount $ 10,500,000                            
Temporary Equity Redemption Price Per Share         $ 0.001   $ 0.001                
Temporary equity, par value $ 0.001       $ 0.001   $ 0.001                
Convertible preferred stock, shares issued         12,000   12,000                
Convertible preferred stock, shares outstanding         12,000   12,000                
Proceeds from offering $ 4,600,000                            
Proceeds from offering from broker fees $ 900,000                            
Combined purchase price of share and warrant $ 0.5                            
Series H Convertible Preferred Stock | Rights Offering                              
Temporary Equity And Stockholders Equity [Line Items]                              
Proceeds allocated to the warrants based upon fair values $ 3,400,000                            
Series I Preferred Stock                              
Temporary Equity And Stockholders Equity [Line Items]                              
Preferred stock, shares authorized         125,000   125,000                
Temporary Equity Redemption Price Per Share         $ 0.001   $ 0.001                
Temporary equity, par value         $ 0.001   $ 0.001         $ 0.001      
Convertible preferred stock, shares issued         85,000   85,000                
Convertible preferred stock, shares outstanding         85,000   85,000                
Series H Warrants [Member]                              
Temporary Equity And Stockholders Equity [Line Items]                              
Issuance costs for warrants 1,200,000                            
Proceeds from Warrant Exercise 1,000,000                            
May 2023 Public Offering                              
Temporary Equity And Stockholders Equity [Line Items]                              
Equity raise of gross proceeds 1,200,000                            
Issuance costs for common stock warrants $ 200,000                            
January 2023 Warrant [Member]                              
Temporary Equity And Stockholders Equity [Line Items]                              
Common stock, par value   $ 0.001                          
Equity raise of gross proceeds   $ 8,500,000                          
Warrant issued   114,035                          
Weighted average exercise price of warrants   $ 1                          
Sale of common stock, shares   171,678                          
Proceeds from offering   $ 9,900,000                          
Combined purchase price of share and warrant   $ 35                          
January 2023 Prefunded Warrant [Member]                              
Temporary Equity And Stockholders Equity [Line Items]                              
Combined purchase price of share and warrant   $ 34                          
Private Placement | June 2022 Warrants [Member]                              
Temporary Equity And Stockholders Equity [Line Items]                              
Warrant issued     14,054                        
Public Offering | Series H Convertible Preferred Stock                              
Temporary Equity And Stockholders Equity [Line Items]                              
Weighted average exercise price of warrants $ 26                            
Sale of common stock, shares 175,000                            
Public Offering | May 2023 Public Offering                              
Temporary Equity And Stockholders Equity [Line Items]                              
Sale of common stock, shares 175,000                            
2002 Stock Incentive Plan                              
Temporary Equity And Stockholders Equity [Line Items]                              
Common stock authorized for issuance         1,244   1,244                
Options available for future grants         0   0                
2018 Long-Term Incentive Plan                              
Temporary Equity And Stockholders Equity [Line Items]                              
Increase in Number of Units Available for Issuance             42,212                
Options and restricted stock units outstanding         64,496   64,496                
2018 Long-Term Incentive Plan | Common Stock                              
Temporary Equity And Stockholders Equity [Line Items]                              
Common stock authorized for issuance         112,268   112,268                
Common stock authorized for share issued             5,560                
Board of Directors | Series H Convertible Preferred Stock                              
Temporary Equity And Stockholders Equity [Line Items]                              
Sale of common stock, shares 80,769                            
Restricted Stock Units (RSUs)                              
Temporary Equity And Stockholders Equity [Line Items]                              
Options and restricted stock units outstanding         224   224                
Phantom Share Units (PSUs)                              
Temporary Equity And Stockholders Equity [Line Items]                              
Other liabilities                 $ 300,000            
Allocated Share-based Compensation Expense         $ 100,000 100,000 $ 200,000 0              
Additional paid-in-capital           $ 300,000   $ 300,000 $ 100,000       $ 400,000 $ 100,000  
Shares issued in period             4,414                
Stock Appreciation Rights (SARs)                              
Temporary Equity And Stockholders Equity [Line Items]                              
Allocated Share-based Compensation Expense         0   $ 0                
Additional paid-in-capital         $ 500,000   $ 500,000                
Shares issued in period                   386          
June 2020 Warrants | Series F Convertible Preferred Stock and July 2020 Warrants                              
Temporary Equity And Stockholders Equity [Line Items]                              
Warrant issued       45,000,000