Subsequent Events (Details) (USD $)	6 Months Ended				1 Months Ended	0 Months Ended		6 Months Ended	1 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Feb. 28, 2013 Aspire Capital Purchase Agreement [Member]	Jul. 26, 2013 Aspire Capital Purchase Agreement [Member] Issuance of Equity [Member]	May 03, 2013 Aegis Capital Purchase Agreement [Member]	May 01, 2013 Aegis Capital Purchase Agreement [Member]	Jun. 30, 2013 Underwriting Offering [Member]	Jul. 26, 2013 Underwriting Offering [Member] Warrants
Subsequent Event [Line Items]
Common Stock, Shares, Issued	19,584,375		16,375,365	654,255	395,714		300,000
Proceeds from Issuance of Common Stock Gross					$ 2,700,000	$ 11,500,000
Class of Warrant or Right, Additional Number of Securities Called by Warrants or Rights								20,761	217,735
Class of Warrant or Right, Exercise Price of Warrants or Rights								5.1	5.1
Proceeds from exercise of warrants	$ 105,881	$ 0						$ 100,000	$ 1,100,000
Class of Warrant or Right, Exercise Price of Warrants or Rights, Amount Above Closing Price of Common Stock on Date of Subscription Agreement								0.30	0.30