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Summary of Significant Accounting Policies (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Accounting Policies [Abstract]    
Insurance and administration fees $ 1,766,702 $ 957,167
Transaction fees 1,259,291 694,938
Other fees 627,292 150,351
Incentives and rebates (142,560) (88,263)
Net revenue $ 3,510,725 $ 1,714,193