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Capital Stock and Changes in Capital Accounts, Common Stock (Details) $ / shares in Units, $ in Thousands |  |  |  |  |  |  | 12 Months Ended |  |  |
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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 |  |  |  |  |  |

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