Equity Transactions (Narrative) (Details) (Securities Purchase Agreement [Member], USD $) Share data in Millions, except Per Share data, unless otherwise specified	0 Months Ended	1 Months Ended	3 Months Ended
	Mar. 01, 2014	Feb. 28, 2014	Mar. 31, 2014
Securities Purchase Agreement [Member]
Debt Instrument [Line Items]
Common stock, shares issued	2.9	2.9
Number of common stock shares warrants can be converted into	0.7	0.7
Warrants exercise price	$ 5.292	$ 5.292
Warrants expiration date		Feb. 28, 2019
Option purchase period		90 days	90 days
Value of options to purchase additional shares	$ 25,000,000	$ 25,000,000