Shareholders' Equity Equity Issuances (Details) - USD ($)	1 Months Ended	3 Months Ended
	Nov. 30, 2015	Mar. 31, 2016	Mar. 31, 2015	Mar. 10, 2016	Feb. 29, 2016	Dec. 31, 2015	May. 01, 2015	Jun. 30, 2014
Class of Stock [Line Items]
Common Stock Warrants, Shares		4,605,473		1,400,000		3,214,033
Class of Warrant or Right, Exercise Price of Warrants or Rights				$ 1.00
Share Price				$ 0.705	$ 1.00
Proceeds from Issuance of Warrants		$ 1,000,000
Common Stock, Shares, Issued		59,123,260				56,733,012
Net proceeds from issuance of common stock		$ 1,096,208	$ 7,411,828
Aspire Capital Purchase Agreement [Member]
Class of Stock [Line Items]
Term of agreement in months	24 months
Purchase Commitment, Remaining Minimum Amount Committed	$ 30,000,000
Purchase Commitment, Maximum Amount Committed, Shares	11,019,276
Stock Issued During Period, Shares, Other	842,696	50,000
Discount Applied To Weighted Average Price	5.00%
Net proceeds from issuance of common stock		$ 0
Shares, Issued		1,100,000
Common Stock, Value, Issued		$ 300,000
March 2014 Purchase Agreement [Member]
Class of Stock [Line Items]
Stock Issued During Period, Shares, Other		5,100,000
Net proceeds from issuance of common stock		$ 20,300,000
Aspire Capital Purchase Agreement [Member]
Class of Stock [Line Items]
Common Stock, Shares, Issued		364,837						150,000
Purchase Commitment, Remaining Minimum Amount Committed							$ 30,000,000	$ 30,000,000