Stockholders' Deficiency (Details 4) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Number of warrants, outstanding
Outstanding, beginning of period (in shares)	2,543,150	2,183,899
Granted	1,937,857	935,500
Exercised
Forfeited	(536,450)	(576,249)
Outstanding, end of period (in shares)	3,944,557	2,543,150
Exercisable, December 31, 2014	3,135,876
Weighted average exercise price
Outstanding, beginning of period (in dollars per share)	$ 2.37	$ 2.76
Granted	$ 0.13	$ 0.91
Exercised
Forfeited	$ 2.37	$ 3.96
Outstanding, end of period (in dollars per share)	$ 1.27	$ 2.37
Exercisable, December 31, 2014	$ 1.11
Weighted Average Remaining Life In Years
Weighted Average Remaining Life (in years) Outstanding	7 years 4 months 24 days
Weighted Average Remaining Life (in years) Exercisable	8 years
Aggregate Intrinsic Value
Aggregate Intrinsic Value Outstanding
Aggregate Intrinsic Value Exercisable
Warrant [Member]
Number of warrants, outstanding
Outstanding, beginning of period (in shares)	2,342,846	592,846
Granted	6,996,198	14,255,023
Exercised		(12,505,023)
Forfeited
Outstanding, end of period (in shares)	9,339,044	2,342,846
Exercisable, December 31, 2014	9,079,044
Weighted average exercise price
Outstanding, beginning of period (in dollars per share)	$ 0.94	$ 3.01
Granted	$ 0.28	$ 0.28
Exercised		$ 0.28
Forfeited
Outstanding, end of period (in dollars per share)	$ 0.45	$ 0.94
Exercisable, December 31, 2014	$ 0.38	$ 0.66
Weighted Average Remaining Life In Years
Weighted Average Remaining Life (in years) Outstanding	4 years 2 months 12 days
Weighted Average Remaining Life (in years) Exercisable	4 years 3 months 18 days
Aggregate Intrinsic Value
Aggregate Intrinsic Value Outstanding
Aggregate Intrinsic Value Exercisable