Annual report pursuant to Section 13 and 15(d)

GOODWILL AND INTANGIBLE ASSETS - Narrative (Details)

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GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]    
Goodwill, impairment $ 2,788,000 $ 0
Amortization expense 0 36,000
Future amortization expense 0  
In-process research and development    
Finite-Lived Intangible Assets [Line Items]    
Impairment of intangible assets, finite-lived $ 2,245,000 $ 0