Accrued Expenses - Summary (Details) - USD ($) $ in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Accrued expenses | ||
| Accrued accounts payable | $ 1,220 | $ 4,251 |
| Compensation expense | 2,759 | 2,870 |
| Research and development fees | 2,001 | 1,048 |
| Lease liabilities | 1,030 | 733 |
| Audit and tax fees | 128 | 522 |
| Other current liabilities | 235 | 458 |
| Accrued license obligations | 358 | 62 |
| Total | $ 7,731 | $ 9,944 |
| X | ||||||||||
- Definition Accrued License Obligations No definition available.
|
| X | ||||||||||
- Definition Accrued Research And Development Costs No definition available.
|
| X | ||||||||||
- Definition Accrued Tax Audit And Legal Fees No definition available.
|
| X | ||||||||||
- Definition Amount of liabilities incurred to vendors for goods and services received, and accrued liabilities classified as other, payable within one year or the normal operating cycle, if longer. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|