v3.26.1
CONDENSED FINANCIAL INFORMATION OF REGISTRANT - Condensed Statements of Operations and Comprehensive Loss (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Condensed Income Statements, Captions      
Revenues $ 20,712 $ 28,537 $ 33,879
Costs of revenues 10,636 17,391 13,827
Gross Profit 10,076 11,146 20,052
Operating expenses:      
Total operating expenses (55,083) (50,767) (45,132)
Loss from operations (45,007) (39,621) (25,080)
Non-operating (expense) income:      
Other non-operating income (expenses) 20 188 764
Income tax expense     81
Net loss (48,058) (39,258) (26,259)
Parent Company      
Condensed Income Statements, Captions      
Revenues 18,718 28,537 33,879
Costs of revenues (8,734) (17,391) (13,827)
Gross Profit 9,984 11,146 20,052
Operating expenses:      
Intercompany expenses (13,454) (27,837) (4,869)
Other operating expenses (24,153) (18,413) (17,328)
Total operating expenses (37,607) (46,250) (22,197)
Loss from operations (27,623) (35,104) (2,145)
Non-operating (expense) income:      
Share of loss of subsidiaries (20,364) (6,487) (23,801)
Other non-operating income (expenses) (71) 2,333 2,289
Loss before income tax expense (48,058) (39,258) (23,657)
Net loss $ (48,058) $ (39,258) $ (23,657)