Segment Information (Tables)

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Schedule of long-lived assets, classified by major geographic regions

Geographic regions	December 31, 2020			December 31, 2021
	Amount	%		Amount	%
PRC	198,921	94	%	211,139	79	%
Asia & Pacific	198,921	94	%	211,139	79	%
Germany	12,747	6	%	21,966	8	%
United Kingdom	120	0	%	67	0	%
Europe	12,867	6	%	22,033	8	%
United States	230	0	%	33,893	13	%
Total	212,018	100	%	267,065	100	%

Schedule of assets and revenues major geographic regions

Geographic regions	Year ended December 31, 2019			Year ended December 31, 2020			Year ended December 31, 2021
	Amount	%		Amount	%		Amount	%
PRC	49,346	64	%	66,160	62	%	93,326	61	%
India	4,988	7	%	8,570	8	%	17,805	12	%
Russia	3,673	5	%	5,671	5	%	12,213	8	%
Other countries	7,430	10	%	2,254	2	%	8,172	5	%
Asia & Pacific	65,437	86	%	82,655	77	%	131,516	86	%
United Kingdom	668	1	%	11,544	11	%	11,386	7	%
Other countries	10,011	13	%	12,770	12	%	8,156	6	%
Europe	10,679	14	%	24,314	23	%	19,542	13	%
Other	318	0	%	549	0	%	918	1	%
Total	76,434	100	%	107,518	100	%	151,976	100	%