Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Registration Statements and At-the-Market Offering) (Details)

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Stockholders' Equity (Registration Statements and At-the-Market Offering) (Details)
 9 Months Ended
May 24, 2021
USD ($)
shares
Sep. 30, 2024
USD ($)
$ / shares
shares
Sep. 30, 2023
USD ($)
$ / shares
shares
Jun. 12, 2024
USD ($)
May 31, 2024
Jul. 31, 2018
Stockholders' Equity            
Proceeds from issuance of common shares   $ 5,944,000 $ 163,000      
Aggregate fees of stock issuance   $ 784,000 $ 3,000      
Stockholders' Equity Note, Stock Split, Conversion Ratio     15      
At the Market Offering            
Stockholders' Equity            
Issuance of common shares (in shares) | shares   2,700,000 52,000      
Agent commission (as a percent)         3.00% 3.00%
Price per common stock | $ / shares   $ 0.44 $ 3.15      
Proceeds from issuance of common shares   $ 1,200,000 $ 200,000      
Aggregate fees of stock issuance   45,000 $ 3,000      
2021 S-3            
Stockholders' Equity            
Sale of Stock aggregate offering price $ 200,000,000.0          
Issuance of common shares (in shares) | shares 4,400,000          
2024 S-3            
Stockholders' Equity            
Sale of Stock aggregate offering price       $ 40,000,000.0    
Shares available for future issuance   $ 36,300,000