Stockholders' Equity - Private Offerings of Common Stock and Warrants - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Class of Stock [Line Items]
Common stock to be issued on exercise of warrant		3,408,218
Network 1 Financial Securities [Member] | First Private Placement [Member]
Class of Stock [Line Items]
Gross proceeds from private offering of common stock and warrants to accredited investors	$ 776,000	$ 5,000,000
Company accepted subscriptions in aggregate	776,000	2,000,000
Exercise price of common stock	$ 1.25	$ 2.50
Purchase price of common stock with warrants	$ 1.00	$ 2.50
Payment of fully vested warrants	$ 100,880	$ 650,000
Common stock to be issued on exercise of warrant	77,600	300,000
Network 1 Financial Securities [Member] | Second Private Placement [Member]
Class of Stock [Line Items]
Gross proceeds from private offering of common stock and warrants to accredited investors	$ 1,011,100
Company accepted subscriptions in aggregate	1,011,100	3,586,300
Exercise price of common stock	$ 1.25	$ 1.25
Purchase price of common stock with warrants	$ 1.00	$ 1.00
Payment of fully vested warrants	$ 131,443	$ 466,219
Common stock to be issued on exercise of warrant	101,110	358,630
Aggregate amount of common stock		$ 3,586,300
Network 1 Financial Securities [Member] | Third Private Placement [Member]
Class of Stock [Line Items]
Gross proceeds from private offering of common stock and warrants to accredited investors		$ 4,198,300
Company accepted subscriptions in aggregate		4,198,300
Exercise price of common stock		$ 1.25
Purchase price of common stock with warrants		$ 1.00
Payment of fully vested warrants		$ 545,779
Common stock to be issued on exercise of warrant		419,830
Five Year Warrant [Member] | Network 1 Financial Securities [Member] | First Private Placement [Member]
Class of Stock [Line Items]
Expiration of warrants	5 years	5 years
Number of shares issuable on exercises of warrants issued	388,000	2,000,000
Investors received five year warrants	50.00%	100.00%
Exercise price of common stock	$ 1.25	$ 3.00
Five Year Warrant [Member] | Network 1 Financial Securities [Member] | Second Private Placement [Member]
Class of Stock [Line Items]
Expiration of warrants	5 years	5 years
Number of shares issuable on exercises of warrants issued	505,550	1,793,150
Investors received five year warrants	50.00%	50.00%
Exercise price of common stock	$ 1.25	$ 1.25
Five Year Warrant [Member] | Network 1 Financial Securities [Member] | Third Private Placement [Member]
Class of Stock [Line Items]
Expiration of warrants		5 years
Number of shares issuable on exercises of warrants issued		2,099,150
Investors received five year warrants		50.00%
Exercise price of common stock		$ 1.25