XML 85 R14.htm IDEA: XBRL DOCUMENT
v3.22.2.2

PROPERTY AND EQUIPMENT | 12 Months Ended
--- | ---
Dec. 31, 2021
Property, Plant and Equipment [Abstract] |
PROPERTY AND EQUIPMENT | 7. PROPERTY AND EQUIPMENT The following table sets forth the composition of property and equipment, net as of December 31, 2021 and 2020 (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31,
​ | ​ | 2021 |  | 2020
Lab equipment | ​ | $ | 569 | ​ | $ | 570
Furniture and fixtures | ​ |  | 16 | ​ |  | 16
Computer equipment | ​ |  | 99 | ​ |  | 97
Software | ​ |  | 32 | ​ |  | 28
Leasehold improvements | ​ |  | 293 | ​ |  | 293
Property and equipment, gross | ​ |  | 1,009 | ​ |  | 1,004
Less: accumulated depreciation | ​ |  | (966) | ​ |  | (881)
Total Property and Equipment, Net | ​ | $ | 43 | ​ | $ | 123
​ Depreciation expense was $0.1 million, $0.1 million and $0.2 million for the years ended December 31, 2021, 2020 and 2019, respectively.

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

X
- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126982197&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916 + Details
Name: | us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration