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Financial Instruments and Fair Value Disclosures (FV) (Details) - USD ($)
3 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Mar. 31, 2021
Derivative Instruments      
Change in fair value $ 433,726 $ (495,806)  
Realized loss on derivatives (903,718) (806,229)  
Derivatives not designated as hedging instruments      
Derivative Instruments      
Gain/(loss) on derivatives, net $ (469,992) (1,302,035)  
Interest rate swap      
Derivative Instruments      
Derivative fixed interest rate (as a percent) 1.237%   1.4675%
Interest rate swap | Derivatives not designated as hedging instruments | Unrealized gain/(loss) on derivatives      
Derivative Instruments      
Change in fair value $ 433,726 (358,268)  
Interest rate swap | Derivatives not designated as hedging instruments | Realized gain/(loss) on derivatives      
Derivative Instruments      
Realized loss on derivatives (903,718) (541,705)  
Interest rate swap | Derivatives not designated as hedging instruments | Current liabilities-Derivative instruments      
Derivative Instruments      
Derivative Liabilities 776,168   $ 1,100,529
Interest rate swap | Derivatives not designated as hedging instruments | Long-term liabilities-Derivatives instruments      
Derivative Instruments      
Derivative Liabilities 3,345,497   $ 3,454,862
Forward freight agreements | Derivatives not designated as hedging instruments | Unrealized gain/(loss) on derivatives      
Derivative Instruments      
Change in fair value   (137,538)  
Forward freight agreements | Derivatives not designated as hedging instruments | Realized gain/(loss) on derivatives      
Derivative Instruments      
Realized loss on derivatives   $ (264,524)  
Forward freight agreements | Derivatives not designated as hedging instruments | Current liabilities-Derivative instruments      
Derivative Instruments      
Derivative Liabilities $ 0