Quarterly report pursuant to Section 13 or 15(d)

Research and Development Accruals (Details)

v3.7.0.1
Research and Development Accruals (Details)
$ in Millions
3 Months Ended
Mar. 31, 2017
USD ($)
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]  
Consulting agreement, expense recognized $ 0.0
Minimum  
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]  
Consulting agreement, contingent liability 1.5
Maximum  
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]  
Consulting agreement, contingent liability $ 4.0