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MARGIN ACCOUNTS, DERIVATIVES AND FAIR VALUE MEASURES (Tables) | 12 Months Ended
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Dec. 31, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value |
|  | Balance at December 31, 2018 |  | Level 1 |  | Level 2 |  | Level 3
Margin accounts |  | $ | 1,820,657 |  |  | $ | 1,820,657 |  |  | $ | — |  |  | $ | — |
Fuel swap contracts |  | $ | (3,165,967 | ) |  | $ | — |  |  | $ | (3,165,967 | ) |  | $ | — |
Forward freight agreements |  | $ | (59,940 | ) |  | $ | — |  |  | $ | (59,940 | ) |  | $ | — |
|  | Balance at December 31, 2017 |  | Level 1 |  | Level 2 |  | Level 3
Margin accounts |  | $ | 912,981 |  |  | $ | 912,981 |  |  | $ | — |  |  | $ | — |
Fuel swap contracts |  | $ | 377,273 |  |  | $ | — |  |  | $ | 377,273 |  |  | $ | — |
Forward freight agreements |  | $ | 265,768 |  |  | $ | — |  |  | $ | 265,768 |  |  | $ | — |

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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
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