Commitments and Contingencies (Details) (USD $)	9 Months Ended	12 Months Ended		33 Months Ended	0 Months Ended	12 Months Ended	1 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	May 01, 2012 Lease agreement	Dec. 31, 2013 Lease agreement sqft	May 31, 2012 Sublease agreement	Dec. 31, 2013 Sublease agreement sqft
Commitments and contingencies
Period of lease					60 months		24 months
Area of lease (in square feet)						6,000		1,900
Base annual rent per month						$ 22,000
Sublease base annual rent per month								4,000
Annual increase in base annual rent (as a percent)						3.00%
Annual increase in sublease base annual rent (as a percent)								3.00%
Future minimum lease payments
2014						323,000
2015						315,000
2016						292,000
2017						173,000
Total						1,103,000
Rent expense	$ 41,000	$ 400,000	$ 200,000	$ 600,000