Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Narrative (Details)

v3.23.3
Stockholders' Equity - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended
Feb. 01, 2022
Jan. 31, 2022
Sep. 30, 2023
Sep. 30, 2022
Aug. 22, 2023
Jan. 05, 2023
Dec. 31, 2022
Oct. 31, 2021
Feb. 28, 2021
Dec. 31, 2020
Class of Stock [Line Items]                    
Common stock, shares authorized (in shares)     1,000,000,000       1,000,000,000      
Common stock, par value (in dollars per share)     $ 0.0001       $ 0.0001      
Common stock, shares outstanding (in shares)     128,555,644       103,153,337      
Proceeds from sale of stock     $ 6,879 $ 3,655            
Stock repurchase program authorized shares           5,000,000        
Treasury stock (in shares)     506,500       0      
Aggregate repurchase price     $ 502       $ 0      
Number of warrants (in shares)     3,443,844       6,632,561      
Warrants                    
Class of Stock [Line Items]                    
Warrant, term (in years)                   3 years
Number of warrants (in shares)               2,811,315 3,840,000 2,160,000
Exercise price per share (in dollars per share)               $ 1.4246    
Warrants | Common Stock                    
Class of Stock [Line Items]                    
Exercise price per share (in dollars per share)                 $ 2.25 $ 4.00
At Market Issuance Sales Agreement                    
Class of Stock [Line Items]                    
Common stock, par value (in dollars per share)   $ 0.0001                
Aggregate offering price   $ 100,000                
Aggregate net proceeds received $ 200   $ 7,003              
Number of shares sold (in shares)     17,394,716              
Transaction costs     $ 209              
Common stock remaining to be issued, value     $ 88,500              
Sale Agreement With Lincoln Park                    
Class of Stock [Line Items]                    
Number of shares sold (in shares)     1,712,503              
Transaction costs     $ 97              
Common stock remaining to be issued, value     29,900              
Agreement term (in months)         24 months          
Proceeds from sale of stock     $ 88              
Floor price per share (in dollars per share)         $ 0.10          
Sale Agreement With Lincoln Park | Maximum                    
Class of Stock [Line Items]                    
Value of common stock to be issued         $ 30,000          
Number of shares issuable         250,000          
Value of shares to be issued per transaction         $ 1,000          
Sale Agreement With Lincoln Park, Closing Sale Price Is Not Below $0.20                    
Class of Stock [Line Items]                    
Closing sale price per share (in dollars per share)         $ 0.20          
Sale Agreement With Lincoln Park, Closing Sale Price Is Not Below $0.20 | Maximum                    
Class of Stock [Line Items]                    
Number of shares issuable         350,000          
Sale Agreement With Lincoln Park, Closing Sale Price Is Not Below $0.30                    
Class of Stock [Line Items]                    
Closing sale price per share (in dollars per share)         $ 0.30          
Sale Agreement With Lincoln Park, Closing Sale Price Is Not Below $0.30 | Maximum                    
Class of Stock [Line Items]                    
Number of shares issuable         450,000          
Sale Agreement With Lincoln Park, Closing Sale Price Is Not Below $0.50                    
Class of Stock [Line Items]                    
Closing sale price per share (in dollars per share)         $ 0.50          
Sale Agreement With Lincoln Park, Closing Sale Price Is Not Below $0.50 | Maximum                    
Class of Stock [Line Items]                    
Number of shares issuable         550,000          
Sale Agreement With Lincoln Park, Closing Sale Price Is Not Below $0.75                    
Class of Stock [Line Items]                    
Closing sale price per share (in dollars per share)         $ 0.75          
Sale Agreement With Lincoln Park, Closing Sale Price Is Not Below $0.75 | Maximum                    
Class of Stock [Line Items]                    
Number of shares issuable         650,000