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INTANGIBLE ASSETS
 9 Months Ended
Sep. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Disclosure [Text Block] INTANGIBLE ASSETS, NET
The components of intangible assets, net consisted of the following (amounts in thousands):
Weighted Average Useful Lives
(in years)
September 30, 2022		September 30,
2022		December 31,
2021
Amortizable intangible assets:
     Patents, trademarks and other
10.77$10,084 $10,084 
     Less accumulated amortization(8,699)(8,586)
$1,385 $1,498 
Amortization related to intangible assets for the nine months ended September 30, 2022 and 2021 totaled $0.3 million and $0.6 million, respectively. Intangible assets are included as a component of other long-term assets in the Condensed Consolidated Balance Sheets.

The estimated aggregate amortization expense at September 30, 2022 for each of the years (or other periods) set forth below was as follows (amounts in thousands):
October 1 - December 31, 2022$32 
2023145 
2024132 
2025123 
2026123 
Thereafter830 
 $1,385