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Capital Stock and Changes in Capital Accounts, Common Stock (Details)
$ / shares in Units, $ in Thousands
 12 Months Ended
Jun. 08, 2023
shares
May 03, 2023
Feb. 10, 2023
USD ($)
shares
Feb. 08, 2023
shares
$ / shares
Dec. 22, 2022
Jan. 25, 2022
USD ($)
shares
Warrant
$ / shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
shares
Jan. 06, 2023
$ / shares
Nov. 29, 2021
$ / shares
Apr. 14, 2021
$ / shares
Common Stock [Abstract]                        
Common stock, shares issued (in shares) 1,259,135           7,504,982 7,448,601        
Common stock, shares outstanding (in shares) 1,259,135           7,504,982 7,448,601        
Reverse stock split ratio 0.05       0.1              
Common stock, par value (in dollars per share) | $ / shares             $ 0.01 $ 0.01     $ 0.01 $ 0.01
Units issued (in shares)               15,000,000 15,571,429      
Issuance of warrants                 628,751      
Net proceeds from offering | $             $ 0 $ 15,123 $ 16,195      
Gross proceeds | $     $ 7,619                  
Net proceeds | $     $ 6,699                  
Pre-Funded Warrants [Member]                        
Common Stock [Abstract]                        
Issuance of warrants     2,700,000         2,700,000        
Warrants to purchase shares (in shares)     135,000                  
Exercise of warrants               2,700,000 2,500,000      
Class A Warrants [Member]                        
Common Stock [Abstract]                        
Issuance of warrants                 2,430,000      
Warrants to purchase shares (in shares)             72,370          
Exercise of warrants                 4,156,000      
Class B Warrants [Member]                        
Common Stock [Abstract]                        
Issuance of warrants     15,000,000         15,000,000        
Private Placement Warrants [Member]                        
Common Stock [Abstract]                        
Issuance of warrants     15,000,000                  
Warrants to purchase shares (in shares)     750,000                  
Exercise of warrants               15,000,000        
Over-Allotment Option [Member] | Class A Warrants [Member]                        
Common Stock [Abstract]                        
Issuance of warrants           2,430,000            
Underwritten Public Offering [Member]                        
Common Stock [Abstract]                        
Units issued (in shares)           15,571,429            
Unit price (in dollars per share) | $ / shares           $ 0.77            
Number of securities included in each unit (in shares)           200            
Net proceeds from offering | $           $ 14,736            
Underwritten Public Offering [Member] | Pre-Funded Warrants [Member]                        
Common Stock [Abstract]                        
Number of securities called by each warrant (in shares)           1            
Number of warrants in a unit | Warrant           200            
Issuance of warrants           2,500,000            
Underwritten Public Offering [Member] | Class A Warrants [Member]                        
Common Stock [Abstract]                        
Number of securities called by each warrant (in shares)           1            
Number of warrants in a unit | Warrant           200            
Issuance of warrants           15,571,429            
February 2023 Registered Direct Offering [Member]                        
Common Stock [Abstract]                        
Units issued (in shares)       15,000,000                
Unit price (in dollars per share) | $ / shares       $ 1.01                
Number of securities called by each warrant (in shares)       1                
Maximum beneficial ownership       4.99%                
Number of warrants in a unit       20                
Issuance of stock (in shares)     615,000                  
Warrants to purchase shares (in shares)     135,000                  
Gross proceeds | $     $ 15,150                  
Net proceeds | $     $ 13,296                  
February 2023 Registered Direct Offering [Member] | Pre-Funded Warrants [Member]                        
Common Stock [Abstract]                        
Number of securities included in each unit (in shares)       20                
Exercise of warrants     2,700,000                  
February 2023 Registered Direct Offering [Member] | Class B Warrants [Member]                        
Common Stock [Abstract]                        
Number of securities included in each unit (in shares)       20                
Warrants to purchase shares (in shares)     750,000                  
Exercise of warrants     15,000,000                  
February 2023 Registered Direct Offering [Member] | Private Placement Warrants [Member]                        
Common Stock [Abstract]                        
Warrants to purchase shares (in shares)     750,000                  
Concurrent Private Placement [Member]                        
Common Stock [Abstract]                        
Units issued (in shares)     15,000,000                  
Maximum [Member]                        
Common Stock [Abstract]                        
Reverse stock split ratio   0.004                    
Maximum [Member] | Class B Warrants [Member]                        
Common Stock [Abstract]                        
Warrants to purchase shares (in shares)     750,000                  
Common Stock [Member]                        
Common Stock [Abstract]                        
Common stock, par value (in dollars per share) | $ / shares                   $ 1    
Issuance of stock (in shares)               615,000 6,407      
Common Stock [Member] | Over-Allotment Option [Member]                        
Common Stock [Abstract]                        
Issuance of stock (in shares)           6,407            
Warrants to purchase shares (in shares)           12,150            
Common Stock [Member] | Underwritten Public Offering [Member]                        
Common Stock [Abstract]                        
Issuance of stock (in shares)           65,357            
Common Stock [Member] | Underwritten Public Offering [Member] | Pre-Funded Warrants [Member]                        
Common Stock [Abstract]                        
Warrants to purchase shares (in shares)           12,500            
Common Stock [Member] | Underwritten Public Offering [Member] | Class A Warrants [Member]                        
Common Stock [Abstract]                        
Warrants to purchase shares (in shares)           77,857            
Common Stock [Member] | February 2023 Registered Direct Offering [Member]                        
Common Stock [Abstract]                        
Number of securities included in each unit (in shares)       1                
Selling Stockholders [Member]                        
Common Stock [Abstract]                        
Common stock registered for resale (in shares)           8,886            
Selling Stockholders [Member] | Common Stock [Member] | Over-Allotment Option [Member]                        
Common Stock [Abstract]                        
Issuance of stock (in shares)           5,743            
Selling Stockholders [Member] | Common Stock [Member] | Underwritten Public Offering [Member]                        
Common Stock [Abstract]                        
Issuance of stock (in shares)           3,143            
Selling Stockholders [Member] | Common Stock [Member] | Underwritten Public Offering [Member] | Class A Warrants [Member]                        
Common Stock [Abstract]                        
Warrants to purchase shares (in shares)           8,886