Shareholders' Equity Equity Issuances (Details) (USD $)	12 Months Ended						0 Months Ended		3 Months Ended			2 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2013	Nov. 19, 2010	Sep. 30, 2011 Aspire Capital Purchase Agreement [Member]	Sep. 28, 2011 Aspire Capital Purchase Agreement [Member]	Sep. 30, 2012 Private Placement [Member]	May 03, 2013 Aegis Capital Purchase Agreement [Member]	Dec. 31, 2013 Aegis Capital Purchase Agreement [Member]	Oct. 31, 2013 Aegis Capital Purchase Agreement [Member]	May 01, 2013 Aegis Capital Purchase Agreement [Member]	Feb. 28, 2013 Aspire Capital Purchase Agreement [Member]	Dec. 31, 2013 Aspire Capital Purchase Agreement [Member]
Class of Stock [Line Items]
Units offered										5,000,000	2,000,000
Committment Value Under Purchase Agreement						$ 20,000,000
Term Of Agreement In Months						24
Discount Applied To Weighted Average Price						5.00%
Warrant inducements	40,407	41,969					161,290
Shares, Issued					99,010
Investment Warrants, Exercise Price							$ 6.00
Common Stock, Shares, Issued	27,196,537	16,375,365								750,000	300,000	1,600,000
Proceeds from issuance of common stock	58,736,166	16,428,827										11,100,000
Purchase Commitment, Remaining Minimum Amount Committed													5,600,000
Sale of Stock, Price Per Share			$ 5.60	$ 0.945						$ 7.000	$ 5
Proceeds from Issuance of Common Stock Gross								$ 11,500,000	$ 40,300,000