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Ownership percentage in joint venture.

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- Definition

Valuation of exercisable option.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor.

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Value of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events - Additional Information (Detail) - USD ($) $ in Millions	May 11, 2026	Apr. 08, 2026	Mar. 31, 2026	Jun. 04, 2025
AOM PIPE Subscription Agreement \| Subsequent Event
Subsequent Event [Line Items]
Aggregate financing amount provided by investors		$ 156.0
Oceanica Resources Mexico, S. de R.L. de C.V.
Subsequent Event [Line Items]
Equity interests in joint venture			78.30%	50.00%
Phosagmex, S.A.P.I. de C.V.
Subsequent Event [Line Items]
Equity interests in joint venture			50.00%
Caplat capital latinoamericano, S.A. de C.V.
Subsequent Event [Line Items]
Equity interests in joint venture			50.00%	50.00%
American Ocean Minerals Corporation \| Odyssey Note Purchase Agreement [Member] \| Subsequent Event
Subsequent Event [Line Items]
Aggregate amount issuable		5.0
Aggregate purchase price		1.5
Remaining purchase of notes		$ 3.5
Interest rate, stated percentage		8.00%
American Ocean Minerals Corporation \| Odyssey Note Purchase Agreement [Member] \| Odyssey Notes \| Subsequent Event
Subsequent Event [Line Items]
Aggregate purchase price		$ 5.0
Interest rate, stated percentage		11.00%
American Ocean Minerals Corporation \| OML Equity Exchange Agreement \| Subsequent Event
Subsequent Event [Line Items]
Unit exchange value per unit numerator		20.45
Unit exchange value per unit denominator		1.1
Common stock issued and exchanged with related party		4,877,900
Number of member units issued for common stock		90,684,596
American Ocean Minerals Corporation \| CIC Equity Exchange Agreement \| Subsequent Event
Subsequent Event [Line Items]
Unit exchange value per unit numerator		1.22
Unit exchange value per unit denominator		1.1
Common stock issued and exchanged with related party	1,663,637	39,403,671
Number of member units issued for common stock	1,500,000	43,702,254
American Ocean Minerals Corporation \| CIC Limited Option Agreement \| Pre-feasibility Study \| Subsequent Event
Subsequent Event [Line Items]
Valuation of exercisable option		$ 200.0
American Ocean Minerals Corporation \| CIC Limited Option Agreement \| Pre-feasibility Study and Before the Issuance of Trial Harvesting License \| Subsequent Event
Subsequent Event [Line Items]
Valuation of exercisable option		225.0
American Ocean Minerals Corporation \| CIC Limited Option Agreement \| After the Issuance of Trial Harvesting License \| Subsequent Event
Subsequent Event [Line Items]
Valuation of exercisable option		300.0
American Ocean Minerals Corporation \| CIC LLC Option Agreement \| Pre-feasibility Study \| Subsequent Event
Subsequent Event [Line Items]
Valuation of exercisable option		200.0
American Ocean Minerals Corporation \| CIC LLC Option Agreement \| Pre-feasibility Study and Before the Issuance of Trial Harvesting License \| Subsequent Event
Subsequent Event [Line Items]
Valuation of exercisable option		225.0
American Ocean Minerals Corporation \| CIC LLC Option Agreement \| After the Issuance of Trial Harvesting License \| Subsequent Event
Subsequent Event [Line Items]
Valuation of exercisable option		300.0
American Ocean Minerals Corporation \| CIC LLC Option Agreement \| Minimum [Member] \| Subsequent Event
Subsequent Event [Line Items]
Valuation of exercisable option		$ 20.0