Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Summary of Significant Accounting Policies (Accrued Liabilities and Other Long-Term Liabilities) (Details)

v3.7.0.1
Basis of Presentation and Summary of Significant Accounting Policies (Accrued Liabilities and Other Long-Term Liabilities) (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Accrued Liabilities    
Compensation $ 1,356 $ 2,603
Professional fees 799 829
Amounts owed to former licensees 890 899
Royalties owed to third parties 989 942
Other 646 1,124
Total accrued liabilities $ 4,680 $ 6,397