Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Accrued Liabilities and Other Long-Term Liabilities) (Details)

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Significant Accounting Policies (Accrued Liabilities and Other Long-Term Liabilities) (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Accrued Liabilities    
Compensation $ 1,463 $ 1,711
Professional fees 828 726
Amounts owed to former licensees 852 915
Royalties owed to third parties 1,037 823
Other 771 1,222
Total accrued liabilities 4,951 5,397
Other Long-Term Liabilities    
Deposits 42 268
Deferred rent 326 0
Other 30 29
Total other long-term liabilities $ 398 $ 297