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Construction in Progress (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Construction in Progress (Textual)        
Interest costs capitalized $ 385,850 $ 195,994 $ 1,099,687 $ 912,702