Other Debt - Additional Information (Detail) - USD ($) |
3 Months Ended | 12 Months Ended | |
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Jun. 30, 2018 |
Dec. 31, 2020 |
Dec. 31, 2018 |
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Debt Instrument [Line Items] | |||
Trade payable, interest bearing interest rate | 12.00% | ||
Trade payable in accounts payable | $ 700,000 | ||
Collateral asset carrying value | $ 0 | ||
Proceeds from sale of marine equipment | $ 1,003,662 | ||
Magellan Offshore Services Ltd [Member] | Marine Equipment [Member] | |||
Debt Instrument [Line Items] | |||
Proceeds from sale of marine equipment | $ 1,000,000 | ||
Gain recognized from sale of marine equipment | 900,000 | ||
Contingent liability | $ 500,000 | ||
Collateral Agreement [Member] | |||
Debt Instrument [Line Items] | |||
Debt instrument maturity date | Aug. 31, 2018 |
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- Definition Collateral asset carrying value. No definition available.
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- Definition Contingent Liability No definition available.
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- Definition Reflects the effective interest rate as of the balance sheet date on interest-bearing trade payables. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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