Organization and Business - Additional Information (Detail) (USD $)	0 Months Ended	1 Months Ended	12 Months Ended			80 Months Ended			0 Months Ended	1 Months Ended	0 Months Ended
	Jan. 15, 2014	Jun. 30, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013	Nov. 05, 2013	May 09, 2007	Jan. 15, 2014 Sabby Investors	Jun. 30, 2010 Warrant	Jan. 15, 2014 Warrant Sabby Investors
Organization and Nature of Operations [Line Items]
Percentage of Charge					50.00%
Impairment of License			$ 0	$ 345,000	$ 345,000	$ 690,000
Cash			3,551,832	534,046	952,252	3,551,832		0
Carrying value of the siRNA license		345,000
Authorized capital to be raised							100,000,000
Stock issued during period, shares, new issues									5,000,000	571,429	2,500,000
Stock issued during period, value, new issues									15,000,000
Proceeds from issuance initial public offering	$ 13,750,000