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Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Condensed Consolidated Statements of Cash Flows (Unaudited) [Abstract]    
Interest paid $ 2,014,200 $ 2,055,100
Income taxes paid $ 421,400 $ 0