Employee Benefit Plan (Details) - USD ($)	1 Months Ended	12 Months Ended
	Oct. 31, 2010	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Profit sharing contribution		$ 0	$ 0	$ 0
General and administrative expenses
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Matching contribution incurred		$ 240,888	$ 167,778	$ 212,223
First 3% of Employee's Salary
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employer matching contribution percent	100.00%
Matched at 100%
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employer matching contribution percent of employees gross pay	3.00%
Next 2% of Employee's Salary
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employer matching contribution percent	50.00%
Matched at 50%
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Employer matching contribution percent of employees gross pay	2.00%