Options Outstanding (Detail) - USD ($)	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercisable, Number of Shares Issuable	7,010,000
Not vested, Number of Shares Issuable	530,000
Balance, Number of Shares Issuable	7,540,000	4,128,128
Exercisable, Weighted-Average Exercise Price	$ 0.21
Not vested, Weighted-Average Exercise Price	0.10
Balance, Weighted-Average Exercise Price	$ 0.20	$ 1.04
Exercisable, Weighted-Average Remaining Term (Years)	3 years 4 months 24 days
Not vested, Weighted-Average Remaining Term (Years)	2 years 6 months
Balance, Weighted-Average Remaining Term (Years)	3 years 3 months 18 days
Exercisable, Aggregate Intrinsic Value	$ 0
Not vested, Aggregate Intrinsic Value	0
Balance, Aggregate Intrinsic Value	$ 0