Borrowings - Narrative (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 9 Months Ended | |||
---|---|---|---|---|---|---|
Oct. 31, 2017 |
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
Dec. 31, 2018 |
|
Debt Instrument [Line Items] | ||||||
Long-term borrowings | $ 39,158 | $ 39,158 | $ 38,963 | |||
Term Loan | Pharmakon Term Loan | ||||||
Debt Instrument [Line Items] | ||||||
Total loan proceeds | $ 40,000 | |||||
Debt issuance costs | $ 1,300 | |||||
Debt period payment, interest only period | 35 months | |||||
Debt interest stated percentage (percent) | 11.50% | |||||
Debt closing fee percentage (percent) | 1.50% | |||||
Debt instrument fee amount | $ 600 | |||||
Debt covenant minimum cash balance | $ 5,000 | |||||
Effective interest rate during the period (percent) | 12.40% | 12.40% | 12.30% | 12.30% | ||
Term Loan | Pharmakon Term Loan | Prepayment Penalty, 31-48 Months | ||||||
Debt Instrument [Line Items] | ||||||
Debt prepayment penalty percentage (percent) | 2.00% | |||||
Term Loan | Pharmakon Term Loan | Prepayment Penalty, 49-60 Months | ||||||
Debt Instrument [Line Items] | ||||||
Debt prepayment penalty percentage (percent) | 1.00% |