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Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment consisted of the following at December 31, 2020 and 2021 (in thousands):

​

​	​	​	​	​	​	​	​	​
​	​	​		December 31,
​		Lives in years		2020			2021
Leasehold improvements	​	2 to 15	​	$	409	​	$	6
Research and laboratory equipment		3 to 5	​		—	​		65
Office equipment and furniture		3 to 5	​		582	​		353
​	​	​	​		991	​		425
Less: accumulated depreciation and amortization			​		(886)	​		(361)
​	​	​	​	$	106	​	$	64

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- References

No definition available.

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ 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(13))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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