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Commitments and Contingencies (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018
Commitments under Contracts for Scrubber Purchases |  |  |  |
Less than one year | $ 4,218,540 |  | $ 4,218,540 |
Total | 4,218,540 |  | 4,218,540 |
Operating Leases |  |  |  |
Operating lease rent expense | 141,395 | $ 120,010 | 391,411 | $ 353,609
Commitments under Operating Leases |  |  |  |
Less than one year | 531,200 |  | 531,200 |
One to three years | 395,592 |  | 395,592 |
Total | 926,792 |  | 926,792 |
Time Charter-in |  |  |  |
Charter hire expenses | 2,071,206 |  | 6,181,206 |
Time Charter-in commitments |  |  |  |
Less than one year | 8,370,000 |  | 8,370,000 |
One to three years | 1,400,000 |  | 1,400,000 |
Total | 9,770,000 |  | 9,770,000 |
Fixed Time Charter Commitments |  |  |  |
Less than one year | 16,675,858 |  | 16,675,858 |
One to three years | 31,125,000 |  | 31,125,000 |
Total | $ 47,800,858 |  | $ 47,800,858 |

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- Definition Amount of scrubber purchases contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments. + References No definition available. + Details
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