Warrants Outstanding (Detail)	9 Months Ended
	Sep. 30, 2015 $ / shares shares
Share-Based Compensation [Line Items]
Number of Shares Issuable | shares	810,833
Weighted-Average Exercise Price	$ 1.11
10% convertible preferred stock - warrants
Share-Based Compensation [Line Items]
Number of Shares Issuable | shares	580,000
Weighted-Average Exercise Price	$ 1.00
Consultants
Share-Based Compensation [Line Items]
Number of Shares Issuable | shares	230,833
Weighted-Average Exercise Price	$ 1.39