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v3.19.1

Long-term Debt - Schedule of Debt (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Debt Instrument [Line Items] |  |  |
Movement Additions | $ 115,712,500 |  |
Repayments | (56,717,059) | $ (56,254,073) | $ (55,630,352)
Term Loans | 445,971,281 | 386,975,841 |
Current portion of long-term debt | 42,433,562 | 42,580,323 |
Current portion of long-term debt associated with vessels held for sale | 30,150,000 |  |
Long term debt | 373,387,719 | 344,395,518 |
Total debt | 445,971,281 | 386,975,841 |
Current portion of deferred finance charges | 706,725 | 613,716 |
Current portion of deferred finance charges associated with vessels held for sale | 73,644 |  |
Deferred finance charges non-current | 1,873,466 | 1,453,677 |
Total deferred finance charges | 2,653,835 | 2,067,393 |
Total debt | 445,971,281 | 386,975,841 |
Less: Total deferred finance charges | 2,653,835 | 2,067,393 |
Total debt, net of deferred finance charges | 443,317,446 | 384,908,448 |
Less: Current portion of long-term debt, net of current portion of deferred finance charges | 41,726,837 | 41,966,607 |
Less: Current portion of long-term debt associated with vessels held for sale, net of current portion of deferred finance charges | 30,076,356 |  |
Long term debt, net of deferred finance charges | $ 371,514,253 | 342,941,841 |
Term Loan 1 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Feb. 19, 2020 |  |
Drawn Amount | $ 40,250,000 |  |
Repayments | (2,500,000) |  |
Term Loans | $ 11,875,000 | 14,375,000 |
Term Loan 4 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Nov. 04, 2020 |  |
Drawn Amount | $ 33,240,000 |  |
Repayments | (1,939,000) |  |
Term Loans | $ 13,850,000 | 15,789,000 |
Term Loan 2 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Oct. 09, 2020 |  |
Drawn Amount | $ 29,437,000 |  |
Repayments | $ (6,310,000) |  |
Term Loans |  | 6,310,000 |
Term Loan 3 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Dec. 18, 2023 |  |
Drawn Amount | $ 14,094,184 |  |
Repayments | (3,020,181) |  |
Term Loans | $ 14,094,184 | 17,114,365 |
Term Loan 5 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Apr. 14, 2020 |  |
Drawn Amount | $ 20,400,000 |  |
Repayments | (1,400,000) |  |
Term Loans | $ 11,700,000 | 13,100,000 |
Term Loan 6 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Mar. 01, 2024 |  |
Drawn Amount | $ 27,675,000 |  |
Repayments | (2,750,000) |  |
Term Loans | $ 25,200,000 | 27,950,000 |
Term Loan 10 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Jun. 20, 2020 |  |
Drawn Amount | $ 43,250,000 |  |
Repayments | (3,000,000) |  |
Term Loans | $ 23,375,000 | 26,375,000 |
Term Loan 7 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Sep. 30, 2020 |  |
Drawn Amount | $ 45,212,500 |  |
Repayments | (8,494,310) |  |
Term Loans | $ 15,244,697 | 23,739,007 |
Term Loan 8 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Jul. 31, 2022 |  |
Drawn Amount | $ 50,225,000 |  |
Repayments | (3,605,000) |  |
Term Loans | $ 35,630,000 | 39,235,000 |
Term Loan 9 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Apr. 16, 2020 |  |
Drawn Amount | $ 30,000,000 |  |
Repayments | (2,705,000) |  |
Term Loans | $ 16,300,000 | 19,005,000 |
Term Loan 11 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Dec. 18, 2023 |  |
Drawn Amount | $ 9,480,000 |  |
Repayments | (880,000) |  |
Term Loans | $ 9,480,000 | 10,360,000 |
Term Loan 12 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Jan. 08, 2023 |  |
Drawn Amount | $ 20,925,000 |  |
Repayments | (1,420,000) |  |
Term Loans | $ 15,600,000 | 17,020,000 |
Term Loan 13 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Jun. 30, 2023 |  |
Drawn Amount | $ 67,200,000 |  |
Repayments | (3,960,000) |  |
Term Loans | $ 51,555,000 | 55,515,000 |
Term Loan 14 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Dec. 14, 2022 |  |
Drawn Amount | $ 22,400,000 |  |
Repayments | (1,493,328) |  |
Term Loans | $ 17,920,016 | 19,413,344 |
Term Loan 15 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Sep. 03, 2021 |  |
Drawn Amount | $ 22,750,000 |  |
Repayments | (1,625,000) |  |
Term Loans | $ 17,468,750 | 19,093,750 |
Term Loan 16 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Jul. 07, 2023 |  |
Drawn Amount | $ 25,350,000 |  |
Repayments | (2,112,500) |  |
Term Loans | $ 18,484,375 | 20,596,875 |
Term Loan 17 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Dec. 11, 2022 |  |
Drawn Amount | $ 22,275,000 |  |
Movement Additions | 11,775,000 |  |
Repayments | (2,755,000) |  |
Term Loans | $ 19,520,000 | 10,500,000 |
Term Loan 18 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Dec. 31, 2025 |  |
Drawn Amount | $ 65,650,000 |  |
Movement Additions | 33,150,000 |  |
Repayments | (3,585,240) |  |
Term Loans | $ 61,049,260 | $ 31,484,500 |
Term Loan 19 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Maturity Date | Apr. 17, 2026 |  |
Drawn Amount | $ 70,787,500 |  |
Movement Additions | 70,787,500 |  |
Repayments | (3,162,501) |  |
Term Loans | $ 67,624,999 |  |

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