Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v3.5.0.2
Subsequent Events - Additional Information (Detail) - Subsequent Event [Member] - USD ($)
$ in Millions
Aug. 01, 2016
Jul. 05, 2016
Ovamed GmbH Settlement Agreement [Member]    
Subsequent Event [Line Items]    
Contractual Obligation $ 1.9  
Contractual Obligation, Future Minimum Payments Due, Remainder of Fiscal Year 1.1  
Contractual Obligation, Due in Next Fiscal Year $ 0.8  
NSC Note [Member]    
Subsequent Event [Line Items]    
Contingently Issuable Warrants Percentage   25.00%
Long-term Debt, Gross   $ 3.6