Nature of Business and Significant Accounting Policies (Contracts) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended		36 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2014
Subsequent Event, Term of Contract	180 days
Entity-Wide Revenue, Major Customer, Percentage	68.20%	74.30%
Contracts Revenue			$ 55
Minimum [Member]
Subsequent Event, Term of Contract	30 days
Entity-Wide Revenue, Major Customer, Percentage	10.00%
Concentration Risk, Percentage			10.00%
Maximum [Member]
Concentration Risk, Percentage			15.00%
Sales Services [Member]
Entity-Wide Revenue, Major Customer, Percentage	52.50%	72.40%