Exclusive Licensing Agreement with a Related Party - Additional Information (Details 1) - Exclusive Licensing Agreement - Ventagen - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2014-04-01 $ in Thousands	Mar. 31, 2014 USD ($)
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Revenue, remaining performance obligation, amount	$ 1,000
Revenue, remaining performance obligation, expected timing of satisfaction, period	8 years