Income Taxes (Details 2) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
U.S. Federal
Operating loss carryforwards
Net operating loss carryforwards	$ 45.2
California
Operating loss carryforwards
Net operating loss carryforwards	42.7
Canadian
Operating loss carryforwards
Net operating loss carryforwards	$ 0.3