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PATENTS, NET OF ACCUMULATED AMORTIZATION (Tables)
6 Months Ended
Jun. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of intangible assets
     
For the years ending December 31,    
(In thousands)   
Remainder of 2021  $5,224 
2022   10,448 
2023   10,381 
2024   9,005 
2025   6,630 
Thereafter   750 
Patents, net   $42,438