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Accrued Liabilities - Schedule of Accrued Liabilities (Detail) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Schedule Of Accrued Liabilities [Abstract]
Interest on long-term debt	$ 1,887,414	$ 2,790,621
Administrative expenses	209,553	205,184
Vessel operating and voyage expenses	1,676,532	3,006,274
Total	$ 3,773,499	$ 6,002,079

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- Definition

Accrued administrative expenses current.

+ References

No definition available.

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Schedule Of Accrued Liabilities [Abstract]

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- Definition

Vessel operating and voyage expenses.

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No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
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Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=121566466&loc=d3e7018-107765

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