Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2018

Accrued Liabilities Current [Abstract]

Summary of Accrued Liabilities

Accrued liabilities consist of the following as of the dates indicated:

	March 31,		December 31,
	2018		2017
Accrued employee bonuses	$	867,628	$	3,049,109
Payroll and employee benefit accruals		483,882		369,275
Accrued professional fees		97,562		101,150
Accrued interest		41,464		45,544
Other accrued liabilities		190,647		181,708
	$	1,681,183	$	3,746,786