XML 20 R9.htm IDEA: XBRL DOCUMENT
v3.21.1

Accrued Expenses | 3 Months Ended
--- | ---
Mar. 31, 2021
Accrued Expenses |
Accrued Expenses | 3. Accrued Expenses Accrued expenses consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​ | December 31,
​ |  | 2021 |  | 2020
Research and development costs | ​ | $ | 3,532 | ​ | $ | 5,815
Professional fees | ​ |  | 1,316 | ​ |  | 648
Payroll related | ​ |  | 2,073 | ​ |  | 5,916
Other | ​ |  | 229 | ​ |  | 180
Accrued expenses | ​ | $ | 7,150 | ​ | $ | 12,559
​

X
- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_PayablesAndAccrualsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration