Accrued Expenses

6 Months Ended

Jun. 30, 2016

Accrued Expenses

Accrued Expenses

4.Accrued Expenses

Accrued expenses consist of the following:

	June 30, 2016		December 31, 2015
Accrued manufacturing development costs	$	625,407	$	513,606
Accrued payroll, bonus and deferred compensation	1,366,799		761,556
Accrued construction in process	549,912		—
Accrued professional fees	333,089		348,165
Accrued issuance costs for planned initial public offering	—		371,043
Accrued employee expenses	77,571		—
Accrued clinical trial costs	234,231		93,621
Accrued license maintenance fees	18,311		68,311
Accrued severance	—		153,846
Other	253,254		126,869
Accrued expenses	$	3,458,574	$	2,437,017