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Revenue Recognition - Contract Balances (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Business Combination, Contingent Consideration, Asset [Abstract]    
Trade receivables - including affiliates, net $ 52,017 $ 73,943
Liabilities    
Deferred revenue 0 14,000
Deferred Revenue - long Term $ 112,500 $ 35,750