INTANGIBLE ASSETS

3 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets Disclosure [Text Block]

INTANGIBLE ASSETS, NET

The components of intangible assets consisted of the following (amounts in thousands):

	Weighted Average Useful Lives (in years) March 31, 2021	March 31, 2021		December 31, 2020
Amortizable intangible assets:
Patents, trademarks and other	11.53	$	10,062	$	10,181
Less accumulated amortization		(8,361)		(8,206)
		$	1,701	$	1,975

Amortization related to intangible assets for the three months ended March 31, 2021 and 2020 totaled $0.3 million and $0.6 million, respectively. Intangible assets are included as a component of other assets in the Condensed Consolidated Balance Sheets.

The estimated aggregate amortization expense at March 31, 2021 for each of the years (or other periods) set forth below was as follows (amounts in thousands):

April 1 - December 31, 2021	$	199
2022	144
2023	144
2024	138
2025	123
Thereafter	953
	$	1,701