v3.26.1
SEGMENT REPORTING - Schedule of Sales Data by Geographical Area (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
SEGMENT REPORTING      
Net Sales by Segment [1] $ 8,978 $ 10,878 $ 15,753
Net Sales by Segment (as a percent) 100.00% 100.00% 100.00%
China      
SEGMENT REPORTING      
Net Sales by Segment $ 2,053 $ 2,084 $ 2,577
Net Sales by Segment (as a percent) 23.00% 19.00% 16.00%
India      
SEGMENT REPORTING      
Net Sales by Segment $ 2,993 $ 4,893 $ 8,268
Net Sales by Segment (as a percent) 33.00% 45.00% 53.00%
Japan      
SEGMENT REPORTING      
Net Sales by Segment $ 3,932 $ 3,901 $ 4,908
Net Sales by Segment (as a percent) 44.00% 36.00% 31.00%
[1] Revenue recognized for the years ended December 31, 2025, 2024 and 2023 that was included in deferred revenue (including current and non-current) and customer advances as of the beginning of each year was $0.8 million, $0.1 million and $0.1 million, respectively.