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v3.25.1

Related Party Transactions - Additional Information (Detail) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Services Agreement [Member] | Deep Sea Mineral Company, CIC, LLC [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Debt outstanding with accrued interest | $ 130,500,000 |  |
Purchase Agreement [Member] | Two Seas Funds [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Principal paid | $ 0 | $ 0 |
Class of warrants or rights exercise price of warrants or rights | $ 1.1 |  |
Debt, interest expense | $ 71,253 | 81,705 |
Paid in kind interest into capitalized principal | 70,872 | 80,375 |
Paid in cash capitalized principal | $ 0 | 0 |
Class of warrants or rights outstanding | 727,514 |  |
Purchase Agreement [Member] | Fourworld Funds [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Principal paid | $ 0 | 0 |
Class of warrants or rights exercise price of warrants or rights | $ 1.1 |  |
Debt, interest expense | $ 28,250 | 32,394 |
Paid in kind interest into capitalized principal | 28,098 | 31,866 |
Paid in cash capitalized principal | $ 0 | 0 |
Class of warrants or rights outstanding | 285,715 |  |
December Two Thousand And Twenty Three Purchase Agreement [Member] | Two Seas Funds [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Debt, interest expense | $ 40,291 | 36,539 |
December Two Thousand And Twenty Three Purchase Agreement [Member] | Fourworld Funds [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Debt, interest expense | 15,262 | 13,840 |
Paid in kind interest into capitalized principal | 15,180 | 4,671 |
Paid in cash capitalized principal | $ 0 | 0 |
December Two Thousand And Twenty Three Purchase Agreement1 [Member] | Two Seas Funds [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Class of warrants or rights exercise price of warrants or rights | $ 1.23 |  |
Class of warrants or rights outstanding | 470,588 |  |
December Two Thousand And Twenty Three Purchase Agreement1 [Member] | Fourworld Funds [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Class of warrants or rights exercise price of warrants or rights | $ 1.23 |  |
Class of warrants or rights outstanding | 117,648 |  |
December Two Thousand And Twenty Three Purchase Agreement2 [Member] | Two Seas Funds [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Class of warrants or rights exercise price of warrants or rights | $ 2.05 |  |
Class of warrants or rights outstanding | 70,521 |  |
December Two Thousand And Twenty Three Purchase Agreement2 [Member] | Fourworld Funds [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Class of warrants or rights exercise price of warrants or rights | $ 2.05 |  |
Class of warrants or rights outstanding | 17,631 |  |
Related Party [Member] | Back Office Technical and Support Services [Member] | Deep Sea Mineral Company, CIC, LLC [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Invoiced for technical services | $ 100,000 | 100,000 |
Related Party [Member] | Services Agreement [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Financing receivable after allowance for credit loss | $ 1,800,000 |  | $ 1,500,000
Four World Capital Management Llc [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Beneficial ownership percentage | 5.10% |  |
Class of warrants or rights exercise price of warrants or rights | $ 3.35 |  |
Four World Capital Management Llc [Member] | 2022 Warrants [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Class of warrants or rights outstanding | 205,628 |  |
Two Seas Capital Lp [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Beneficial ownership percentage | 9.99% |  |
Beneficial ownership percentage applicable to warrants held | 9.99% |  |
Class of warrants or rights exercise price of warrants or rights | $ 3.35 |  |
Two Seas Capital Lp [Member] | 2022 Warrants [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Class of warrants or rights outstanding | 447,761 |  |
CIC Limited1 [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Equity Method Investment Ownership Interest | 14.20% |  |
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage | 11.90% |  |
Oceanica Marine Operations [Member] | Services Agreement [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Interest rate, stated percentage | 18.00% |  |
Debt outstanding with accrued interest |  |  | $ 124,900,000
Oceanica Marine Operations [Member] | Related Party [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Financing receivable after allowance for credit loss | $ 23,000,000 |  |
Ocean Minerals LLC [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Equity Method Investment Ownership Interest | 7.00% |  |
Marine services revenue | $ 22,500 | $ 69,898 |

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