Stock Options and Warrants - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended	1 Months Ended		3 Months Ended		1 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Sep. 30, 2014 Minimum [Member]	Sep. 30, 2014 Maximum [Member]	Sep. 30, 2014 Management	Sep. 30, 2014 R&D Activities	Apr. 30, 2014 Director [Member]	Sep. 30, 2014 Employee Stock [Member]	Jul. 31, 2014 Employee Stock [Member]	May 31, 2014 Employee Stock [Member]	Apr. 30, 2014 Employee Stock [Member]	May 31, 2014 Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross							25,000	35,000	15,000	25,000	25,000	125,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 2.42		$ 2.28	$ 2.37			$ 2.38		$ 2.85	$ 2.40	$ 2.71	$ 2.40
Share based Compensation Arrangement By Share Based Payment Award Options Grants In Period Grant Date Fair Value							$ 57,425	$ 80,595	$ 41,595	$ 58,975	$ 133,200	$ 294,500
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate							178.00%	165.00%	165.00%	178.00%	178.00%	178.00%
Stock option expense		$ 118,047			$ 88,812	$ 29,235