Equity Transactions (Narrative) (Details) (Securities Purchase Agreement [Member], USD $) In Millions, except Per Share data, unless otherwise specified	1 Months Ended	3 Months Ended
	Feb. 28, 2014	Mar. 31, 2015
Securities Purchase Agreement [Member]
Class of Warrant or Right [Line Items]
Common stock, shares issued	2.9
Number of common stock shares warrants can be converted into	0.7
Value of common stock issued	$ 12.5
Warrants exercise price	$ 5.292
Warrants expiration date		Feb. 28, 2019