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v3.20.1

Long-term Debt - Schedule of Debt (Detail) - USD ($) |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2019 | Mar. 29, 2019 | Feb. 19, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Debt Instrument [Line Items] |  |  |  |  |  |
Movement Additions |  |  |  | $ 33,480,000 |  |
Repayments | $ (3,419,645) | $ (1,036,265) | $ (625,000) | (97,371,978) | $ (56,717,059) | $ (56,254,073)
Debt Deconsolidation Amount |  |  |  | (13,850,000) |  |
Term Loans |  |  |  | 368,229,303 | 445,971,281 |
Current portion of long-term debt |  |  |  | 41,421,346 | 42,433,562 |
Current portion of long-term debt associated with vessels held for sale |  |  |  | 0 | 30,150,000 |
Long term debt |  |  |  | 326,807,957 | 373,387,719 |
Total debt |  |  |  | 368,229,303 | 445,971,281 |
Current portion of deferred finance charges |  |  |  | 685,790 | 706,725 |
Current portion of deferred finance charges associated with vessels held for sale |  |  |  | 0 | 73,644 |
Deferred finance charges non-current |  |  |  | 1,560,055 | 1,873,466 |
Total deferred finance charges |  |  |  | 2,245,845 | 2,653,835 |
Total debt |  |  |  | 368,229,303 | 445,971,281 |
Less: Total deferred finance charges |  |  |  | 2,245,845 | 2,653,835 |
Total debt, net of deferred finance charges |  |  |  | 365,983,458 | 443,317,446 |
Less: Current portion of long-term debt, net of current portion of deferred finance charges |  |  |  | 40,735,556 | 41,726,837 |
Less: Current portion of long-term debt associated with vessels held for sale, net of current portion of deferred finance charges |  |  |  | 0 | 30,076,356 |
Long term debt, net of deferred finance charges |  |  |  | $ 325,247,902 | 371,514,253 |
Term Loan 1 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Feb. 19, 2020 |  |
Drawn Amount |  |  |  | $ 40,250,000 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (11,875,000) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 0 | 11,875,000 |
Term Loan 4 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Nov. 04, 2020 |  |
Drawn Amount |  |  |  | $ 33,240,000 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | 0 |  |
Debt Deconsolidation Amount |  |  |  | (13,850,000) |  |
Term Loans |  |  |  | $ 0 | 13,850,000 |
Term Loan 2 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Dec. 18, 2023 |  |
Drawn Amount |  |  |  | $ 14,094,184 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (2,200,000) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 11,894,184 | 14,094,184 |
Term Loan 20 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Apr. 16, 2024 |  |
Drawn Amount |  |  |  | $ 11,000,000 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (1,340,000) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 10,360,000 | 11,700,000 |
Term Loan 21 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Mar. 01, 2024 |  |
Drawn Amount |  |  |  | $ 27,675,000 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (3,300,000) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 21,900,000 | 25,200,000 |
Term Loan 6 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Jun. 20, 2020 |  |
Drawn Amount |  |  |  | $ 43,250,000 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (23,375,000) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 0 | 23,375,000 |
Term Loan 22 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Jul. 11, 2026 |  |
Drawn Amount |  |  |  | $ 22,230,000 |  |
Movement Additions |  |  |  | 22,230,000 |  |
Repayments |  |  |  | (793,929) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 21,436,071 | 0 |
Term Loan 23 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Dec. 29, 2022 |  |
Drawn Amount |  |  |  | $ 25,458,432 |  |
Movement Additions |  |  |  | 11,250,000 |  |
Repayments |  |  |  | (8,257,649) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 18,237,048 | 15,244,697 |
Term Loan 24 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Jul. 31, 2022 |  |
Drawn Amount |  |  |  | $ 50,225,000 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (6,605,000) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 29,025,000 | 35,630,000 |
Term Loan 9 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Apr. 16, 2020 |  |
Drawn Amount |  |  |  | $ 30,000,000 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (16,300,000) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 0 | 16,300,000 |
Term Loan 11 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Dec. 18, 2023 |  |
Drawn Amount |  |  |  | $ 9,480,000 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (800,000) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 8,680,000 | 9,480,000 |
Term Loan 12 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Jan. 08, 2023 |  |
Drawn Amount |  |  |  | $ 20,925,000 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (1,420,000) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 14,180,000 | 15,600,000 |
Term Loan 25 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Jun. 30, 2023 |  |
Drawn Amount |  |  |  | $ 67,200,000 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (3,960,000) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 47,595,000 | 51,555,000 |
Term Loan 14 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Dec. 14, 2022 |  |
Drawn Amount |  |  |  | $ 22,400,000 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (1,493,328) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 16,426,688 | 17,920,016 |
Term Loan 15 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Sep. 03, 2021 |  |
Drawn Amount |  |  |  | $ 22,750,000 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (1,625,000) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 15,843,750 | 17,468,750 |
Term Loan 16 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Jul. 07, 2023 |  |
Drawn Amount |  |  |  | $ 25,350,000 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (2,112,500) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 16,371,875 | 18,484,375 |
Term Loan 17 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Dec. 11, 2022 |  |
Drawn Amount |  |  |  | $ 22,275,000 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (2,755,000) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 16,765,000 | 19,520,000 |
Term Loan 18 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Dec. 31, 2025 |  |
Drawn Amount |  |  |  | $ 65,650,000 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (4,103,320) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 56,945,940 | 61,049,260 |
Term Loan 19 [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maturity Date |  |  |  | Apr. 17, 2026 |  |
Drawn Amount |  |  |  | $ 70,787,500 |  |
Movement Additions |  |  |  | 0 |  |
Repayments |  |  |  | (5,056,252) |  |
Debt Deconsolidation Amount |  |  |  | 0 |  |
Term Loans |  |  |  | $ 62,568,747 | $ 67,624,999 |

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