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Statements of Cash Flows (Parenthetical) - USD ($)
Dec. 31, 2018
Apr. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Statement of Cash Flows [Abstract]        
Capital leased equipment, purchase amount $ 651,000 $ 178,942 $ 461,506 $ 252,000
Capital lease obligations, Value of Company's trade-in of existing equipment   $ 22,000 $ 129,300