Accounts Payable - Additional Information (Detail) (USD $)	6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Accounts Payable [Line Items]
Accounts payable	$ 78,915	$ 76,109
Accounts payable, trade	43,277
Accounts payable, other, current	15,250
Firm Owes Facility Expenses	3,213
Clinical Trials [Member]
Accounts Payable [Line Items]
Accounts payable, trade	18,150
Accounts payable, other, current	$ 2,238