Long Term Obligations (Details) (USD $)	0 Months Ended					6 Months Ended				0 Months Ended
	May 27, 2011	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2013 Derivative Financial Instruments, Liabilities [Member]	Jun. 30, 2012 Derivative Financial Instruments, Liabilities [Member]	Dec. 31, 2012 Derivative Financial Instruments, Liabilities [Member]	Dec. 31, 2011 Derivative Financial Instruments, Liabilities [Member]	May 27, 2011 Convertible Preferred Stock [Member] Series A2 Designated Convertible Preferred Stock [Member]	May 27, 2011 Convertible Promissory Note [Member]
Long Term Obligations (Details) [Line Items]
Debt Instrument, Face Amount (in Dollars)		$ 15,275,000	$ 15,275,000								$ 15,275,000
Debt Instrument, Convertible, Number of Equity Instruments										2,679,824
Debt Instrument, Convertible, Conversion Price (in Dollars per share)										$ 5.70
Convertible Preferred Stock, Shares Issued upon Conversion (in Shares)										10
Gross Proceeds	30,550,000
Stock Debt And Warrant Issuance Cost	2,524,963
Proceeds from Debt, Net of Issuance Costs	28,025,037
Debt Instrument, Interest Rate, Stated Percentage											5.00%
Debt Instrument, Unamortized Discount		11,681,724	13,143,869								14,442,497
Debt Instrument, Convertible, Remaining Discount Amortization Period											3 years 6 months
Unamortized Debt Issuance Expense											832,502
Derivative Liability (in Dollars)		2,686,664	2,208,184	3,405,139	5,967,330	439	401,921	274,928	1,931,295
Share Price (in Dollars per share)		$ 0.04				$ 0.04	$ 0.07
Increase (Decrease) in Derivative Liabilities (in Dollars)						$ 274,489	$ 1,529,374