Annual report pursuant to Section 13 and 15(d)

BUSINESS SEGMENTS - Long-Lived Assets Disaggregated by Geographic Operating Segments (Details)

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BUSINESS SEGMENTS - Long-Lived Assets Disaggregated by Geographic Operating Segments (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Segment Reporting Information [Line Items]    
Long-Lived Assets $ 58,503 $ 47,285
United States    
Segment Reporting Information [Line Items]    
Long-Lived Assets 24,327 14,798
China    
Segment Reporting Information [Line Items]    
Long-Lived Assets 15,620 14,207
Czech Republic    
Segment Reporting Information [Line Items]    
Long-Lived Assets 6,074 6,070
France    
Segment Reporting Information [Line Items]    
Long-Lived Assets 11,353 11,076
Other Foreign Countries    
Segment Reporting Information [Line Items]    
Long-Lived Assets $ 1,129 $ 1,134