Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details 1)

v3.10.0.1
Summary of Significant Accounting Policies (Details 1) - Contingent Royalty Obligation [Member]
$ in Thousands
9 Months Ended
Sep. 30, 2018
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Balance at beginning $ 1,662
Change in estimated fair value of contingent royalty obligation 244
Balance at end $ 1,906