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LONG-TERM DEBT - Payments Applicable to Reduction of Principal (Details) - USD ($)
Mar. 31, 2020
Apr. 30, 2016
Payments applicable to reduction of principal amounts    
2021 $ 23,711,104  
2023 198,845,349  
2025 and thereafter 100,000,000  
Total Long-Term Debt - Face Value $ 322,556,453 $ 25,000,000