Annual report pursuant to Section 13 and 15(d)

Braeburn License (Details Textual)

v3.8.0.1
Braeburn License (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Nov. 12, 2013
Sep. 30, 2013
Mar. 31, 2013
Sep. 30, 2013
Dec. 31, 2017
Dec. 31, 2012
Non Refundable up Front License Fee [Line Items]            
Additional amount received upon achievement of sales milestones         $ 15,000,000  
Additional amount in regulatory milestones         15,000,000  
Braeburn [Member]            
Non Refundable up Front License Fee [Line Items]            
Revenues to be recognized per month for upfront payment $ 50,000,000          
Collaborative Arrangement Co-promotion [Member]            
Non Refundable up Front License Fee [Line Items]            
Non-refundable up-front payment           $ 15,750,000
License and services revenue           15,000,000
Additional amount received upon achievement of sales milestones 165,000,000         130,000,000
Additional amount in regulatory milestones 35,000,000         35,000,000
Revenues to be recognized per month for upfront payment 15,000,000 $ 304,000 $ 1,250,000 $ 733,000 $ 15,000,000 $ 45,000,000
Investment Amount, Agreed To Invest $ 5,000,000          
Estimated Revenue Recognition Period For Up front Payment   30 months 12 months 18 months