Related Party Transactions - Additional Information (Detail) (USD $)	0 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended	3 Months Ended	9 Months Ended	0 Months Ended		9 Months Ended			0 Months Ended	1 Months Ended		9 Months Ended	12 Months Ended	9 Months Ended
	Aug. 20, 2014	Apr. 22, 2014	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014 Interest Expense	Sep. 30, 2014 Interest Expense	Apr. 21, 2014 Restricted Stock	Apr. 21, 2014 Restricted Stock	Sep. 30, 2014 Aston Capital Limited Liability Company	Apr. 30, 2014 Aston Capital Limited Liability Company	Dec. 31, 2013 Aston Capital Limited Liability Company	Apr. 09, 2013 Aston Capital Limited Liability Company Issuance of Equity Restricted Stock	Jun. 30, 2014 RVL One Limited Liability Company	Apr. 30, 2014 RVL One Limited Liability Company	Sep. 30, 2014 RVL One Limited Liability Company Agreement	Dec. 31, 2013 RVL One Limited Liability Company	Sep. 30, 2014 RVL One Limited Liability Company Series G Redeemable Convertible Preferred Stock
Transactions with Third Party [Line Items]
Debt instrument amount			$ 2,700,000		$ 2,700,000							$ 3,500,000	$ 1,000,000				$ 10,800,000
Interest rate of debt												9.00%					9.00%
Debt instrument maturity date	Aug. 20, 2017				Apr. 01, 2016							Apr. 01, 2015					Apr. 01, 2015
Debt instrument converted in to equity			5,700,000													1,600,000
Accrued interest			132,000		132,000
Interest Expenses			192,000	24,000	651,000	24,000		76,000	132,000
Number of separate investment agreements																		4
Proceeds from issuance of convertible preferred stock																		26,000,000		12,500,000
Proceeds from issuance of common stock						4,948,000	5,000,000											192,000
Number of common stock shares issued			83,462,000		83,462,000		82,095,000											75,000
Loans Receivable, Commercial, Trade Financing														9,900,000
Restricted common stock agreed to be issued for services															500,000
Restricted common stock agreed to be issued for services, vesting period															3 years
Restricted common stock agreed to be issued for services, vesting date															Sep. 25, 2013
Number of shares authorized for grant											300,000
Stock options vesting period		3 years								3 years
Monthly payment for underlying lease					21,355
Related party transaction costs incurred			$ 92,637	$ 84,591	$ 276,692	$ 249,262													$ 33,000