XML 27 R18.htm IDEA: XBRL DOCUMENT
v3.20.2

Property and Equipment, net | 6 Months Ended
--- | ---
Jun. 30, 2020
Property and equipment, net |
Property and Equipment, net | 9.Property and equipment, net Property and equipment consist of the following: ​
​ | ​ | ​ | ​ | ​
​ | ​ | As of
​ |  | December 31, |  | June 30,
​ | ​ | 2019 | ​ | 2020
​ | ​ | $ | ​ | $
Office equipment | ​ | 397 | ​ | 391
Electronic equipment | ​ | 1,482 | ​ | 1,858
Vehicle | ​ | 76 | ​ | 75
Laboratory equipment | ​ | 5,854 | ​ | 7,279
Manufacturing equipment | ​ | 11,049 | ​ | 11,016
Leasehold improvements | ​ | 7,528 | ​ | 7,478
Construction in progress | ​ | 428 | ​ | 267
​ | ​ | 26,814 | ​ | 28,364
Less: accumulated depreciation | ​ | (5,461) | ​ | (7,347)
Property and equipment, net | ​ | 21,353 | ​ | 21,017
​ Depreciation expenses for the six months ended June 30, 2019 and 2020 were $1,447 (unaudited) and $1,974, 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 assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
Name: | us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration