Quarterly report pursuant to Section 13 or 15(d)

INTANGIBLE ASSETS, NET - Intangible Assets (Details)

v3.21.2
INTANGIBLE ASSETS, NET - Intangible Assets (Details) - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets, Net [Abstract]    
Intangible assets, gross $ 3,268 $ 2,690
Less: Accumulated amortization (492) (571)
Total amortization expense 2,776 2,119
Impact of foreign currency translation 0 17
Patents    
Finite-Lived Intangible Assets, Net [Abstract]    
Intangible assets, gross 2,988 2,399
Other    
Finite-Lived Intangible Assets, Net [Abstract]    
Intangible assets, gross $ 280 $ 291