Related Party Transactions - Additional Information (Detail) (USD $)	9 Months Ended		12 Months Ended	0 Months Ended	1 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Jan. 24, 2014	Jan. 31, 2014	Nov. 30, 2013
Compensation Plans [Line Items]
Notes payable to related party			$ 205,314
Payment made to the company by the beneficial owner	717,064	13,750
Number of options exercised	938,331		30,500
Payment to related party	48,000		48,000
Clarence E. Smith [Member]
Compensation Plans [Line Items]
Beneficial ownership percentage					5.00%	5.00%
Notes payable to related party			205,314
Payment made to the company by the beneficial owner						$ 200,000
Exercised price					$ 1.50	$ 1.50
Number of options exercised				138,331	138,331