Stockholders' Equity - Additional Information (Detail) (USD $)	1 Months Ended		12 Months Ended		1 Months Ended	0 Months Ended	1 Months Ended
	Dec. 17, 2013	Feb. 28, 2013	Dec. 31, 2014	Dec. 31, 2013	Oct. 01, 2014	Nov. 01, 2014	Jan. 31, 2014	Oct. 31, 2013	Mar. 25, 2015	Feb. 25, 2015	Jun. 06, 2014
Class of Stock [Line Items]
Debt conversion, converted instrument, shares issued		5,000,000
Common stock, par value		$ 0.0001	$ 0.001	$ 0.001
Common Stock, Shares Authorized			100,000,000	100,000,000
Preferred Stock, Shares Authorized			10,000,000	10,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 2.66		$ 14.30
Sale of Stock, Price Per Share								$ 3.21
Warrants To Purchase Shares Of Common Stock	700,935
Preferred Stock, Par or Stated Value Per Share			$ 0.001	$ 0.001
Proceeds from Issuance of Private Placement	$ 2,750,000
Proceeds from Issuance of Common Stock			6,021,144	3,612,100
Substantial Holder Description			Certificate of Designations for the Series A Preferred Stock (“COD”) no longer has 20% or greater of their original stock purchase (as of March 23, 2015, their percentage is approximately 4%).
Fortress Agreement [Member]
Class of Stock [Line Items]
Debt conversion, converted instrument, shares issued			1,508,162		1,804,030
Subsequent Event [Member] | Fortress Agreement [Member]
Class of Stock [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights										$ 1.14
Debt Instrument Convertible Threshold Stock Price									$ 1.14
Warrant [Member]
Class of Stock [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights							238,412
Fair Value Adjustment of Warrants						164,196	348,963
Class of Warrant or Right, Exercise Price of Warrants or Rights						$ 2.07	$ 3.04
Class of Warrant or Right, Date from which Warrants or Rights Exercisable							Jan. 31, 2019
Sale of Stock, Price Per Share			$ 4.00
Warrants To Purchase Shares Of Common Stock						277,500
Warrant [Member] | Fortress Agreement [Member]
Class of Stock [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights					2.00		$ 2.27
Preferred Stock Series A-1 [Member]
Class of Stock [Line Items]
Common stock, par value			$ 0.007073
Proceeds from Issuance of Convertible Preferred Stock			3,308,874
Temporary Equity, Redemption Price Per Share			$ 0.55
Temporary Equity, Liquidation Preference Per Share			$ 0.01
Debt Instrument Convertible Threshold Stock Price			$ 0.289
Preferred Stock Series A-2 [Member]
Class of Stock [Line Items]
Common stock, par value			$ 1.202065
Proceeds from Issuance of Convertible Preferred Stock			1,134,016
Temporary Equity, Redemption Price Per Share			$ 0.96
Temporary Equity, Liquidation Preference Per Share			$ 1.6996
Stockholders' Equity, Reverse Stock Split			the 1:2 reverse split
Redeemable Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Shares Authorized			10,000,000	10,000,000
Proceeds from Issuance of Convertible Preferred Stock			4,950,000
Preferred Stock, Shares Issued			0	6,176,748
Preferred Stock, Par or Stated Value Per Share			$ 0.0001	$ 0.0001
Series B Preferred Stock [Member]
Class of Stock [Line Items]
Common stock, par value			$ 1,000
Preferred Stock, Shares Issued	2,750
Preferred Stock, Par or Stated Value Per Share	$ 1,000
Debt Instrument Convertible Threshold Stock Price			$ 1.14
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 3.04
Preferred Stock, Shares Issued											6,176,748
Debt Instrument Convertible Threshold Stock Price			$ 0.289
Proceeds from Issuance of Common Stock			$ 20,000,000
Maximum [Member]
Class of Stock [Line Items]
Common Stock, Shares Authorized			110,000,000
Maximum [Member] | Series B Preferred Stock [Member]
Class of Stock [Line Items]
Debt Instrument, Convertible, Conversion Price			$ 2.00		2.14
Maximum [Member] | Series B Preferred Stock [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Debt Instrument, Convertible, Conversion Price										$ 2.00
Minimum [Member] | Series B Preferred Stock [Member]
Class of Stock [Line Items]
Debt Instrument, Convertible, Conversion Price			$ 1.14		2.00
Minimum [Member] | Series B Preferred Stock [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Debt Instrument, Convertible, Conversion Price										$ 1.14