Warrants - Schedule of Warrants Issued and Outstanding (Details) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	97,621	929,437
Warrants Issued In November 2008
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	1,152	1,152
Issuance Date	Nov. 30, 2008
Exercise Price per Share	$ 34.73
Terms (Years)	10 years
Warrants Issued In January 2009
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	720	720
Issuance Date	Jan. 31, 2009
Exercise Price per Share	$ 34.73
Terms (Years)	10 years 9 months 18 days
Warrants Issued In February 2009
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	288	288
Issuance Date	Feb. 28, 2009
Exercise Price per Share	$ 34.73
Terms (Years)	10 years
Warrants Issued In March 2009
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	360	360
Issuance Date	Mar. 31, 2009
Exercise Price per Share	$ 34.73
Terms (Years)	10 years
Warrants Issued In April 2009
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	144	144
Issuance Date	Apr. 30, 2009
Exercise Price per Share	$ 34.73
Terms (Years)	10 years
Warrants Issued In July 2009
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	13,235	13,235
Issuance Date	Jul. 31, 2009
Exercise Price per Share	$ 1.89
Terms (Years)	10 years
Warrants Issued In September 2009
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	21,176	21,176
Issuance Date	Sep. 30, 2009
Exercise Price per Share	$ 1.89
Terms (Years)	10 years
Warrants Issued In April 2011 (1)
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	2,400	2,400
Issuance Date	Apr. 30, 2011
Exercise Price per Share	$ 1.88
Terms (Years)	10 years
Warrants Issued In April 2011 (2)
Class Of Warrant Or Right [Line Items]
Warrants Outstanding		50,455
Issuance Date	Apr. 30, 2011
Exercise Price per Share	$ 1.66
Terms (Years)	5 years
Warrants Issued In April 2011 (3)
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	19,867	116,443
Issuance Date	Apr. 30, 2011
Exercise Price per Share	$ 0.01
Terms (Years)	10 years
Warrants Issued In June 2011
Class Of Warrant Or Right [Line Items]
Warrants Outstanding		241,260
Issuance Date	Jun. 30, 2011
Exercise Price per Share	$ 0.01
Terms (Years)	9 years 9 months 18 days
Warrants Issued In October 2011
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	6,031	161,381
Issuance Date	Oct. 31, 2011
Exercise Price per Share	$ 0.01
Terms (Years)	9 years 6 months
Warrants Issued In August 2013
Class Of Warrant Or Right [Line Items]
Warrants Outstanding		232,258
Issuance Date	Aug. 31, 2013
Exercise Price per Share	$ 0.02
Terms (Years)	10 years
Warrants Issued In September 2013
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	29,462	42,246
Issuance Date	Sep. 30, 2013
Exercise Price per Share	$ 0.02
Terms (Years)	10 years
Warrants Issued In December 2013
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	2,786	45,919
Issuance Date	Dec. 31, 2013
Exercise Price per Share	$ 0.02
Terms (Years)	10 years