Stock Warrants (Narrative) (Details)					1 Months Ended
	Sep. 30, 2014	Sep. 30, 2014 Minimum	Sep. 30, 2014 Maximum	Sep. 30, 2014 Weighted Average	Mar. 31, 2014 Oxford Finance, LLC Series KK warrants
Class of Warrant or Right [Line Items]
Stock issued for warrant exercised					391,032
Exercise price of warrant issued, dollars per share		1.918	3.83	3.27	1.918
Warrants outstanding (shares)	4,900,000