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)

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Basis of Presentation and Summary of Significant Accounting Policies - Accrued Liabilities and Other Long-Term Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Accrued Liabilities    
Compensation $ 4,840 $ 1,986
Professional fees 1,226 1,135
Amounts owed to former licensees 407 381
Royalties owed to third parties 805 0
Return reserve 2,835 3,027
Current operating lease liabilities 1,029 1,242
Accrued interest 1,437 690
Other 1,919 1,375
Total accrued liabilities $ 14,498 $ 9,836