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
Jun. 30, 2020
Dec. 31, 2019
Accrued Liabilities    
Compensation $ 3,457 $ 1,986
Professional fees 964 1,135
Amounts owed to former licensees 413 381
Royalties owed to third parties 1,038 0
Return reserve 2,899 3,027
Current operating lease liabilities 1,728 1,242
Accrued interest 471 690
Other 1,858 1,375
Total accrued liabilities $ 12,828 $ 9,836