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Note 7 - Intangible Assets, Net

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Intangible Assets Disclosure [Text Block]

7.	INTANGIBLE ASSETS, NET

Intangible assets, net of accumulated amortization, consist of the following:

		*As of December 31,*
		*2020*				*2021*
		(in thousands)
Customer contracts		$	16,022			$	16,022
Accumulated amortization of intangible assets			(8,491	)			(10,934	)
Intangible assets, net		$	7,531			$	5,088

Amortization expense related to intangibles for each of the years ended December 31, 2020 and 2021, was $2.4 million. The estimated aggregate future amortization expense on amortizable intangible assets currently owned by the Partnership is as follows (in thousands):

For year ending:
December 31, 2022		$	4,033
December 31, 2023			387
December 31, 2024			387
December 31, 2025			281
December 31, 2026			-
Thereafter			-
Total estimated aggregate amortization expense		$	5,088

Customer contracts include $7.6 million and $8.4 million related to the acquisition of asphalt facilities in March 2018 and February 2016, respectively. The customer contracts are being amortized over a range of 5 to 10 years.