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Note 11 - Long-term Debt (Details) - Summary of Long-term Debt - USD ($) |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Mar. 27, 2015 | Jan. 08, 2015 | Dec. 31, 2015 | Dec. 31, 2014
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Balance |  |  | $ 424,660,265 | $ 325,503,853
Additions |  |  | 155,100,000 |
Repayments |  |  | (55,943,588) |
Current portion of long-term debt |  |  | 75,546,625 | 42,614,213
Long term debt |  |  | 349,113,640 | 282,889,640
Total debt |  |  | 424,660,265 | 325,503,853
Current portion of deferred finance charges |  |  | 618,174 | 488,551
Deferred finance charges non-current |  |  | 390,000 | 1,569,375
Total deferred finance charges |  |  | 2,497,711 | 1,521,543
Total debt, net of deferred finance charges |  |  | 422,162,554 | 323,982,310
Less: Current portion of long-term debt, net of current portion of deferred finance charges |  |  | 74,928,451 | 42,125,662
Long term debt, net of deferred finance charges |  |  | 347,234,103 | 281,856,648
Term Loan 1 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | 100,067,500 |
Balance |  |  | 8,787,030 | 13,816,882
Repayments |  |  | $ (5,029,852) |
Maturity Date |  |  | Sep. 09, 2016 |
Term Loan 2 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 79,850,000 |
Balance |  |  |  | 14,500,000
Repayments | $ (13,500,000) |  | $ (14,500,000) |
Maturity Date |  |  | May 30, 2016 |
Term Loan 3 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 6,580,000 |
Balance |  |  | 1,289,680 | 1,763,440
Repayments |  |  | $ (473,760) |
Maturity Date |  |  | Jun. 28, 2016 |
Term Loan 4 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 49,875,000 |
Balance |  |  | 17,496,750 | 22,365,764
Repayments |  |  | $ (4,869,014) |
Maturity Date |  |  | Dec. 21, 2017 |
Term Loan 5 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 40,250,000 |
Balance |  |  | 19,375,000 | 21,875,000
Repayments |  |  | $ (2,500,000) |
Maturity Date |  |  | Feb. 19, 2020 |
Term Loan 6 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 33,240,000 |
Balance |  |  | 19,667,000 | 21,606,000
Repayments |  |  | $ (1,939,000) |
Maturity Date |  |  | Nov. 04, 2020 |
Term Loan 7 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 29,437,000 |
Balance |  |  | 7,870,000 | 8,650,000
Repayments |  |  | $ (780,000) |
Maturity Date |  |  | Oct. 09, 2020 |
Term Loan 8 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 45,000,000 |
Balance |  |  | 27,150,000 | 30,550,000
Repayments |  |  | $ (3,400,000) |
Maturity Date |  |  | Jul. 15, 2016 |
Term Loan 10 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 20,400,000 |
Balance |  |  | 17,100,000 | 19,300,000
Repayments |  |  | $ (2,200,000) |
Maturity Date |  |  | Apr. 14, 2020 |
Term Loan 11 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 49,400,000 |
Balance |  |  | 34,550,000 | 37,850,000
Repayments |  |  | $ (3,300,000) |
Maturity Date |  |  | Sep. 01, 2018 |
Term Loan 12 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 43,250,000 |
Balance |  |  | 32,375,000 | 35,375,000
Repayments |  |  | $ (3,000,000) |
Maturity Date |  |  | Jun. 20, 2020 |
Term Loan 13 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 45,212,500 |
Balance |  |  | 33,844,180 | 38,896,767
Repayments |  |  | $ (5,052,587) |
Maturity Date |  |  | Sep. 30, 2020 |
Term Loan 14 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 50,225,000 |
Balance |  |  | 46,445,000 | 33,040,000
Additions |  |  | 15,925,000 |
Repayments |  |  | $ (2,520,000) |
Maturity Date |  |  | Jun. 30, 2021 |
Term Loan 15 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 30,000,000 |
Balance |  |  | 25,665,000 | 12,915,000
Additions |  |  | 15,750,000 |
Repayments |  |  | $ (3,000,000) |
Maturity Date |  |  | Apr. 16, 2020 |
Term Loan 16 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 13,000,000 |
Balance |  |  | 12,120,000 | $ 13,000,000
Repayments |  |  | $ (880,000) |
Maturity Date |  |  | Oct. 02, 2020 |
Term Loan 17 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 20,925,000 |
Balance |  |  | 19,860,000 |
Additions |  | $ 20,925,000 | 20,925,000 |
Repayments |  |  | $ (1,065,000) |
Maturity Date |  |  | Jan. 08, 2023 |
Term Loan 18 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 67,200,000 |
Balance |  |  | 31,500,000 |
Additions |  |  | 32,000,000 |
Repayments |  |  | $ (500,000) |
Maturity Date |  |  | Nov. 16, 2022 |
Term Loan 19 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 22,400,000 |
Balance |  |  | 22,400,000 |
Additions |  |  | $ 22,400,000 |
Maturity Date |  |  | Dec. 14, 2022 |
Term Loan 20 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 22,750,000 |
Balance |  |  | 22,343,750 |
Additions |  |  | 22,750,000 |
Repayments |  |  | $ (406,250) |
Maturity Date |  |  | Sep. 03, 2021 |
Term Loan 21 [Member] |  |  |  |
Note 11 - Long-term Debt (Details) - Summary of Long-term Debt [Line Items] |  |  |  |
Original Amount |  |  | $ 25,350,000 |
Balance |  |  | 24,821,875 |
Additions |  |  | 25,350,000 |
Repayments |  |  | $ (528,125) |
Maturity Date |  |  | Jul. 07, 2023 |

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