Stock-Based Compensation - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended		1 Months Ended			3 Months Ended
	May 31, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Aug. 31, 2013 Re Elected Board Member [Member]	Jun. 30, 2012 Re Elected Board Member [Member]	May 31, 2012 Newly Appointed Board Member [Member]	Jun. 30, 2013 Options Exercised Price One [Member]	Jun. 30, 2013 Options Exercised Price Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Options Exercised Shares									18,750	25,000
Stock Options Exercise at Exercise Price Per Share									$ 0.32	$ 0.60
Stock Options Exercise Value									$ 6,000	$ 15,000
Stock option forfeited	25,000
Stock option issued				250,000		250,000	200,000	50,000
Stock-based compensation expense		142,310	0	142,310	183,028
Unrecognized stock-based compensation expense		$ 0		$ 0