Subsequent Event	12 Months Ended
Dec. 31, 2022
Subsequent Events [Abstract]
Subsequent Event	NOTE 18 – SUBSEQUENT EVENTS We have evaluated subsequent events for recognition or disclosure through the date this Form 10-K is filed with the Securities and Exchange Commission. Galileo Note On February 28, 2023, Odyssey issued a $300,000 11.0% Promissory Note to Galileo NCC Inc ("Galileo"). The Promissory Note was payable on April 1, 2023. On March 6, 2023, Odyssey repaid this note payable in full with proceeds from the issuance of the Note (as defined below). DP SPV I LLC Note On March 6, 2023, Odyssey entered into a Note and Warrant Purchase Agreement (the “Purchase Agreement”) with an institutional investor pursuant to which Odyssey issued and sold to the investor (a) a promissory note (the “Note”) in the principal amount of up to $14.0 million and (b) a warrant (the “Warrant” and, together with the Note, the “Securities”) to purchase shares of Odyssey’s common stock. The principal amount outstanding under the Note bears interest at the rate of 11.0% per annum, and interest is payable in cash on a quarterly basis, except that, (a) at Odyssey’s option and upon notice to the holder of the Note, any quarterly interest payment may be satisfied, in lieu of paying such cash interest, by adding an equivalent amount to the principal amount of the Note (“PIK Interest”), and (b) the first quarterly interest payment due under the Note will be satisfied with PIK Interest. The Note provides Odyssey with the right, but not the obligation, upon notice to the holder of the Note to redeem (x) at any time before the first anniversary of the issuance of the Note, all or any portion of the indebtedness outstanding under the Note (together with all accrued and unpaid interest, including PIK Interest) for an amount equal to one hundred twenty percent (120%) of the outstanding principal amount so being redeemed, and (y) at any time on or after the first anniversary of the issuance of the Note, all or any portion of the indebtedness outstanding under the Note (together with all accrued and unpaid interest, including PIK Interest). Unless the Note is sooner redeemed at Odyssey’s option, all indebtedness under the Note is due and payable on September 6, 2024. Under the terms of the Purchase Agreement, Odyssey agreed to use the proceeds of the sale of the Securities to fund Odyssey’s obligations under the Termination Agreement (as defined below), to pay legal fees and costs related to Odyssey’s NAFTA arbitration against the United Mexican States, to pay fees and expenses related to the transactions contemplated by the Purchase Agreement, and for working capital and other general corporate expenditures. Odyssey’s obligations under Note are secured by a security interest in substantially all of Odyssey’s assets (subject to limited stated exclusions). Under the terms of the Warrant, the holder has the right for a period of three years after issuance to purchase up to 3,703,704 shares of Odyssey’s common stock at an exercise price of $3.78 per share, which represents 120.0% of the official closing price of Odyssey’s common stock on the NASDAQ Capital Market immediately preceding the signing of the Purchase Agreement, upon delivery of a notice of exercise to Odyssey. Upon exercise of the Warrant, Odyssey has the option to either (a) deliver the shares of common stock issuable upon exercise or (b) pay to the holder an amount equal to the difference between (i) the aggregate exercise price payable under the notice of exercise and (ii) the product of (A) the number of shares of common stock indicated in the notice of exercise multiplied by (B) the arithmetic average of the daily volume-weighted average price of the common stock on the NASDAQ Capital Market for the five consecutive trading days ending on, and including, the trading day immediately prior to the date of the notice of exercise. The warrant provides for customary adjustments to the exercise price and the number of shares of common stock issuable upon exercise in the event of a stock split, recapitalization, reclassification, combination or exchange of shares, separation, reorganization, liquidation, or the like. In connection with the execution and delivery of the Purchase Agreement, Odyssey entered into a registration rights agreement (the “Registration Rights Agreement”) pursuant to which Odyssey agreed to register the offer and sale of the shares (the “Exercise Shares”) of Odyssey common stock issuable upon exercise of the Warrant. Pursuant to the Registration Rights Agreement, Odyssey agreed to prepare and file with the Securities and Exchange Commission (the “SEC”) a registration statement covering the resale of the Exercise Shares and to use its reasonable best efforts to have the registration statement declared effective by the SEC as soon as practicable thereafter, subject to stated deadlines. Purchase Agreement, MINOSA 1 and MINOSA 2 Notes On March 3, 2023, Odyssey, Altos Hornos de México, S.A.B. de C.V. (“AHMSA”), MINOSA and Phosphate One LLC (f/k/a Penelope Mining LLC, “Phosphate One” and together with AHMSA and MINOSA, the “AHMSA Parties”) entered into Settlement, Release and Termination Agreement (the “Termination Agreement”). Pursuant to the Termination Agreement: • Odyssey paid AHMSA $9.0 million (the “Termination Payment”) in cash on March 6, 2023; • the parties agreed that, concurrently with the payment of the Termination Payment, a portion of the MINOSA Notes would be deemed automatically converted into 304,879 shares of Odyssey’s common stock; • the MINOSA Notes, the Purchase Agreement, and the Pledge Agreements were terminated; • each of the AHMSA Parties, on the one hand, and Odyssey, on the other, agreed to release the other parties and their respective affiliates, equity holders, beneficiaries, successors and assigns (the “Released Parties”) from any and all claims, demands, damages, actions, causes of action or liabilities of any kind or nature whatsoever under the SPA, the MINOSA Notes, the Minosa Purchase Agreement, or the Pledge Agreements (the “Released Matters”); and • each of the AHMSA Parties, on the one hand, and Odyssey, on the other, agreed not to make any claims against any of the Released Parties related to the Released Matters. The transactions contemplated by the Termination Agreement were completed on March 6, 2023. On March 6, 2023, Odyssey entered into a Release and Termination Agreement with a director of the Company, James S. Pignatelli, to terminate and release a portion of the MINOSA 2 Note assigned to Mr. Pignatelli in 2021, the related Note Purchase Agreement (“NPA”) and the Pledge Agreement. On March 6, 2023, Odyssey issued a new Unsecured Convertible Promissory Note in the principal amount of $500,000 to Mr. Pignatelli that bears interest at the rate of 10.0% per annum convertible into common stock of Odyssey at a conversion price of $3.78 per share. Pursuant to the Release and Termination Agreement with Mr. Pignatelli noted above, he agreed, in exchange for the issuance of this Unsecured Convertible Promissory Note by Odyssey, to release the assigned portion of the MINOSA 2 note issued by Odyssey Marine Exploration, Inc., a wholly owned subsidiary of the Company, to Mr. Pignatelli in the principal amount of $404,634 and convertible at a conversion price of $4.35 per share, pursuant to which the outstanding aggregate obligation with accrued interest was $630,231. Litigation Financing Waiver and Consent On March 6, 2023, the Claimholder and the Funder under the Agreement entered into a Waiver and Consent Agreement, pursuant to which, among other things, (i) the Funder provided a waiver and consent to allow the Claimholder to fund certain costs and expenses arising from the Subject Claim from the Claimholder’s own capital in an aggregate amount not to exceed $5,000,000, and (ii) Odyssey paid a $1,000,000 nonrefundable waiver fee to the Funder. Sale/Leaseback Arrangement On March 30, 2023, Odyssey reached agreement on the terms of a sale/leaseback arrangement for certain of its marine equipment. The definitive documentation is expected to be effective in early April 2023 and the $3 million sale/leaseback transaction is expected to close within 60 days of effectiveness. A portion of the proceeds of the transaction will be used to repay the Seller Note.

We have evaluated subsequent events for recognition or disclosure through the date this Form 10-K is filed with the Securities and Exchange Commission.

On February 28, 2023, Odyssey issued a $300,000 11.0% Promissory Note to Galileo NCC Inc ("Galileo"). The Promissory Note was payable on April 1, 2023. On March 6, 2023, Odyssey repaid this note payable in full with proceeds from the issuance of the Note (as defined below).

On March 6, 2023, Odyssey entered into a Note and Warrant Purchase Agreement (the “Purchase Agreement”) with an institutional investor pursuant to which Odyssey issued and sold to the investor (a) a promissory note (the “Note”) in the principal amount of up to $14.0 million and (b) a warrant (the “Warrant” and, together with the Note, the “Securities”) to purchase shares of Odyssey’s common stock.

The principal amount outstanding under the Note bears interest at the rate of 11.0% per annum, and interest is payable in cash on a quarterly basis, except that, (a) at Odyssey’s option and upon notice to the holder of the Note, any quarterly interest payment may be satisfied, in lieu of paying such cash interest, by adding an equivalent amount to the principal amount of the Note (“PIK Interest”),

and (b) the first quarterly interest payment due under the Note will be satisfied with PIK Interest. The Note provides Odyssey with the right, but not the obligation, upon notice to the holder of the Note to redeem (x) at any time before the first anniversary of the issuance of the Note, all or any portion of the indebtedness outstanding under the Note (together with all accrued and unpaid interest, including PIK Interest) for an amount equal to one hundred twenty percent (120%) of the outstanding principal amount so being redeemed, and (y) at any time on or after the first anniversary of the issuance of the Note, all or any portion of the indebtedness outstanding under the Note (together with all accrued and unpaid interest, including PIK Interest). Unless the Note is sooner redeemed at Odyssey’s option, all indebtedness under the Note is due and payable on September 6, 2024. Under the terms of the Purchase Agreement, Odyssey agreed to use the proceeds of the sale of the Securities to fund Odyssey’s obligations under the Termination Agreement (as defined below), to pay legal fees and costs related to Odyssey’s NAFTA arbitration against the United Mexican States, to pay fees and expenses related to the transactions contemplated by the Purchase Agreement, and for working capital and other general corporate expenditures. Odyssey’s obligations under Note are secured by a security interest in substantially all of Odyssey’s assets (subject to limited stated exclusions).

Under the terms of the Warrant, the holder has the right for a period of three years after issuance to purchase up to 3,703,704 shares of Odyssey’s common stock at an exercise price of $3.78 per share, which represents 120.0% of the official closing price of Odyssey’s common stock on the NASDAQ Capital Market immediately preceding the signing of the Purchase Agreement, upon delivery of a notice of exercise to Odyssey. Upon exercise of the Warrant, Odyssey has the option to either (a) deliver the shares of common stock issuable upon exercise or (b) pay to the holder an amount equal to the difference between (i) the aggregate exercise price payable under the notice of exercise and (ii) the product of (A) the number of shares of common stock indicated in the notice of exercise multiplied by (B) the arithmetic average of the daily volume-weighted average price of the common stock on the NASDAQ Capital Market for the five consecutive trading days ending on, and including, the trading day immediately prior to the date of the notice of exercise. The warrant provides for customary adjustments to the exercise price and the number of shares of common stock issuable upon exercise in the event of a stock split, recapitalization, reclassification, combination or exchange of shares, separation, reorganization, liquidation, or the like.

In connection with the execution and delivery of the Purchase Agreement, Odyssey entered into a registration rights agreement (the “Registration Rights Agreement”) pursuant to which Odyssey agreed to register the offer and sale of the shares (the “Exercise Shares”) of Odyssey common stock issuable upon exercise of the Warrant. Pursuant to the Registration Rights Agreement, Odyssey agreed to prepare and file with the Securities and Exchange Commission (the “SEC”) a registration statement covering the resale of the Exercise Shares and to use its reasonable best efforts to have the registration statement declared effective by the SEC as soon as practicable thereafter, subject to stated deadlines.

On March 3, 2023, Odyssey, Altos Hornos de México, S.A.B. de C.V. (“AHMSA”), MINOSA and Phosphate One LLC (f/k/a Penelope Mining LLC, “Phosphate One” and together with AHMSA and MINOSA, the “AHMSA Parties”) entered into Settlement, Release and Termination Agreement (the “Termination Agreement”).

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Odyssey paid AHMSA $9.0 million (the “Termination Payment”) in cash on March 6, 2023;

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the parties agreed that, concurrently with the payment of the Termination Payment, a portion of the MINOSA Notes would be deemed automatically converted into 304,879 shares of Odyssey’s common stock;

•

each of the AHMSA Parties, on the one hand, and Odyssey, on the other, agreed to release the other parties and their respective affiliates, equity holders, beneficiaries, successors and assigns (the “Released Parties”) from any and all claims, demands, damages, actions, causes of action or liabilities of any kind or nature whatsoever under the SPA, the MINOSA Notes, the Minosa Purchase Agreement, or the Pledge Agreements (the “Released Matters”); and

•

each of the AHMSA Parties, on the one hand, and Odyssey, on the other, agreed not to make any claims against any of the Released Parties related to the Released Matters.

The transactions contemplated by the Termination Agreement were completed on March 6, 2023.

On March 6, 2023, Odyssey entered into a Release and Termination Agreement with a director of the Company, James S. Pignatelli, to terminate and release a portion of the MINOSA 2 Note assigned to Mr. Pignatelli in 2021, the related Note Purchase Agreement (“NPA”) and the Pledge Agreement.

On March 6, 2023, Odyssey issued a new Unsecured Convertible Promissory Note in the principal amount of $500,000 to Mr. Pignatelli that bears interest at the rate of 10.0% per annum convertible into common stock of Odyssey at a conversion price of

$3.78 per share. Pursuant to the Release and Termination Agreement with Mr. Pignatelli noted above, he agreed, in exchange for the issuance of this Unsecured Convertible Promissory Note by Odyssey, to release the assigned portion of the MINOSA 2 note issued by Odyssey Marine Exploration, Inc., a wholly owned subsidiary of the Company, to Mr. Pignatelli in the principal amount of $404,634 and convertible at a conversion price of $4.35 per share, pursuant to which the outstanding aggregate obligation with accrued interest was $630,231.

On March 6, 2023, the Claimholder and the Funder under the Agreement entered into a Waiver and Consent Agreement, pursuant to which, among other things, (i) the Funder provided a waiver and consent to allow the Claimholder to fund certain costs and expenses arising from the Subject Claim from the Claimholder’s own capital in an aggregate amount not to exceed $5,000,000, and (ii) Odyssey paid a $1,000,000 nonrefundable waiver fee to the Funder.

On March 30, 2023, Odyssey reached agreement on the terms of a sale/leaseback arrangement for certain of its marine equipment. The definitive documentation is expected to be effective in early April 2023 and the $3 million sale/leaseback transaction is expected to close within 60 days of effectiveness. A portion of the proceeds of the transaction will be used to repay the Seller Note.