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Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($)
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Condensed Consolidated Statements of Cash Flows (Unaudited)    
Interest paid $ 186,500 $ 2,792,200
Income tax paid 4,000 $ 222,900
Federal tax refund $ 23,100