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Employee Benefit Plan (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Employee benefit plan [Abstract]    
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent 60.00%  
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Amount $ 18,500 $ 18,000
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 50.00%  
Defined Contribution Plan, Employer Matching Contribution, Percent of Match 5.00%  
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage 100.00%  
Defined Contribution Plan, Cost $ 199,266 $ 142,374