Stockholders' Equity (Details) - $ / shares	3 Months Ended
	Mar. 31, 2016	Jan. 29, 2016	Dec. 31, 2015	Jul. 21, 2014
Class of Warrant or Right [Line Items]
Total Warrants (in shares)	16,729,362
Exercise price (in dollars per share)		$ 1.06	$ 1.13
Series A Warrants [Member]
Class of Warrant or Right [Line Items]
Exercise price (in dollars per share)				$ 2.45
Common Stock Warrant One [Member]
Class of Warrant or Right [Line Items]
Issue Date	Apr. 26, 2013
Expiration Date	Apr. 26, 2018
Total Warrants (in shares)	69,321
Exercise price (in dollars per share)	$ 11.18
Common Stock Warrant Two [Member]
Class of Warrant or Right [Line Items]
Issue Date	Oct. 31, 2013
Expiration Date	Apr. 30, 2019
Total Warrants (in shares)	685,715
Exercise price (in dollars per share)	$ 0.75
Common Stock Warrant Three [Member]
Class of Warrant or Right [Line Items]
Issue Date	Feb. 05, 2014
Expiration Date	Feb. 05, 2019
Total Warrants (in shares)	1,329,731
Exercise price (in dollars per share)	$ 0.75
Common Stock Warrant Four [Member]
Class of Warrant or Right [Line Items]
Issue Date	Jul. 24, 2014
Expiration Date	Jul. 24, 2019
Total Warrants (in shares)	6,198,832
Common Stock Warrant Four [Member] | Minimum [Member]
Class of Warrant or Right [Line Items]
Exercise price (in dollars per share)	$ 0.75
Common Stock Warrant Four [Member] | Maximum [Member]
Class of Warrant or Right [Line Items]
Exercise price (in dollars per share)	$ 2.45
Common Stock Warrant Five [Member]
Class of Warrant or Right [Line Items]
Issue Date	Jul. 24, 2014
Expiration Date	Jul. 24, 2016
Total Warrants (in shares)	4,795,321
Exercise price (in dollars per share)	$ 0.75
Common Stock Warrant Six [Member]
Class of Warrant or Right [Line Items]
Issue Date	Jun. 22, 2015
Expiration Date	Jun. 22, 2020
Total Warrants (in shares)	3,000,000
Exercise price (in dollars per share)	$ 0.75
Common Stock Warrant Seven [Member]
Class of Warrant or Right [Line Items]
Issue Date	Dec. 30, 2015
Expiration Date	Dec. 30, 2020
Total Warrants (in shares)	650,442
Exercise price (in dollars per share)	$ 1.13