Equity (Schedule of Outstanding Warrants) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014
Class of Warrant or Right [Line Items]
Exercise Price	$ 2.27
Number of Warrants	1,764,781
Series BB Warrants [Member]
Class of Warrant or Right [Line Items]
Exercise Price	$ 2.00
Number of Warrants	300,000
Expiration Date	Jul. 07, 2015
Series EE Warrants [Member]
Class of Warrant or Right [Line Items]
Exercise Price	$ 2.375
Number of Warrants	134,211
Expiration Date	Aug. 09, 2015
Series FF Warrants [Member]
Class of Warrant or Right [Line Items]
Exercise Price	$ 1.97
Number of Warrants	30,000
Expiration Date	Dec. 01, 2015
Series GG Warrants [Member]
Class of Warrant or Right [Line Items]
Exercise Price	$ 2.10
Number of Warrants	333,333
Expiration Date	Dec. 29, 2016
Series HH Warrants [Member]
Class of Warrant or Right [Line Items]
Exercise Price	$ 2.49
Number of Warrants	301,205
Expiration Date	Jun. 25, 2023
Series II Warrants [Member]
Class of Warrant or Right [Line Items]
Exercise Price	$ 3.04
Number of Warrants	275,000
Expiration Date	Jun. 25, 2018
Series KK Warrants [Member]
Class of Warrant or Right [Line Items]
Exercise Price	$ 1.918
Number of Warrants	391,032
Expiration Date	Mar. 04, 2021