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Debt (Details 1)
Mar. 31, 2017
USD ($)
2017 $ 33,042,468
2018 42,556,624
2019 42,056,620
2020 42,056,620
2021 44,359,890
2022 194,934,920
2023 53,988,634
Total long-term debt $ 452,995,776