XML 40 R17.htm IDEA: XBRL DOCUMENT
v3.21.1

Property and equipment | 12 Months Ended
--- | ---
Dec. 31, 2020
Property and equipment |
Property and equipment | 11. Property and equipment Property and equipment consist of the following: ​
​ | ​ | ​ | ​ | ​
(In thousands) |  | December 31, 2019 |  | December 31, 2020
Servers and network equipment |  | 39,130 |  | 35,827
Computer equipment |  | 1,762 |  | 1,565
Furniture, fixtures and office equipment |  | 806 |  | 836
Motor vehicles |  | 406 |  | 481
Leasehold improvements |  | 6,566 |  | 6,604
Total original costs |  | 48,670 |  | 45,313
Less: Accumulated depreciation |  | (28,357) |  | (33,006)
Less: Accumulated impairment |  | (4) |  | (3)
Sub-total |  | 20,309 |  | 12,304
Construction in progress |  | 18,461 |  | 38,421
Total |  | 38,770 |  | 50,725
​ No impairment loss was recognized for the years ended December 31, 2018, 2019 and 2020. Impairment loss of USD 6,000 and USD 1,000 has been reversed as of December 31, 2019 and December 31, 2020 due to disposal. Depreciation expense recognized for the years ended December 31, 2018, 2019 and 2020 are summarized as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Years ended December 31
(In thousands) | ​ | 2018 | ​ | 2019 | ​ | 2020
Cost of revenues |  | 5,018 |  | 5,198 |  | 6,247
Research and development expenses |  | 331 |  | 300 |  | 529
General and administrative expenses |  | 245 |  | 317 |  | 2,492
Sales and marketing expenses |  | 1 |  | 9 |  | 9
Total |  | 5,595 |  | 5,824 |  | 9,277
​

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 http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://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 http://asc.fasb.org/extlink&oid=120429125&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 http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
Name: | us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration