Subsequent Events (Details) (Subsequent Event, USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended
	Feb. 28, 2015 sqft	Mar. 31, 2015
Santa Monica Office
Subsequent Events
Area of office building leased	17,000
Optional lease extension term	5 years
Scenario Forecast | Santa Monica Office
Subsequent Events
Additional area leased	21,000
Cumulative base rent	26.0
Third Party Marketing Firm
Subsequent Events
Number of shares exercised through a net settlement		1,433,333
Shares issued for exercise of warrants		959,676