Notes Payable (Details Textual) (USD $)	12 Months Ended			1 Months Ended	12 Months Ended			12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jan. 31, 2012 Loan and Security Agreement [Member]	Dec. 31, 2013 Loan and Security Agreement [Member]	Dec. 31, 2012 Loan and Security Agreement [Member]	Jan. 17, 2012 Loan and Security Agreement [Member]	Dec. 31, 2013 Merger Agreement [Member]	Jan. 17, 2012 Term A Loan [Member] Loan and Security Agreement [Member]	Jan. 17, 2012 Term B Loan [Member] Loan and Security Agreement [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 43,853	$ 109,133				$ 10,000,000		$ 4,000,000	$ 6,000,000
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate					8.75%
Final Payment Fee Percentage					3.33%
Debt Instrument, Basis Spread on Variable Rate					5.00%
Class Of Warrant Or Right, Number Of Securities Called By Warrants Or Rights					1,397,939
Warrant Exercise Price				$ 0.29		$ 0.33
Stockholders Equity Note, Stock Split, Conversion Ratio	1.1533							1.1533
Warrants Expiration Date		Jan. 16, 2022
Debt Conversion, Converted Instrument, Expiration or Due Date	Jan. 01, 2016