Income Taxes (Details) - Income Tax Reconciliation	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Reconciliation [Abstract]
U.S. statutory federal income tax rate	34.00%	34.00%	34.00%
State income taxes, net of federal tax benefit	6.30%	6.30%	6.00%
Effect of permanent differences	(2.90%)	(0.80%)	(1.60%)
Change to valuation allowance	(37.40%)	(39.70%)	(38.40%)
Other	0.00%	0.20%	0.00%
Effective income tax rate	0.00%	0.00%	0.00%