Goodwill and Intangible Assets

A summary of the change in the carrying amount of goodwill is as follows (in thousands):



	Goodwill Net Carrying Amount
October 31, 2019	$	1,839
Trapani Fresh purchase price adjustment	(297		)
Foreign currency translation adjustment	(19		)
April 30, 2020	$	1,523

See Note 3 - Acquisitions for additional information regarding the acquisition of Trapani Fresh.

Goodwill is tested for impairment on an annual basis or when an event or changes in circumstances indicate that its carrying value may not be recoverable. There have been no impairment charges recorded against goodwill as of April 30, 2020.

Intangible assets consisted of the following as of April 30, 2020 and October 31, 2019 (in thousands):



	April 30, 2020								October 31, 2019
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Useful Life in Years	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Useful Life in Years

Trade names and trademarks	$	3,786	$	(698	)	$	3,088	10	$	3,786	$	(542	)	$	3,244	10
Customer relationships	5,010		(781		)	4,229		9	5,010		(500		)	4,510		9
Non-competition agreement	1,040		(95		)	945		10	1,040		(42		)	998		10
Acquired water and mineral rights	3,420		—			3,420		Indefinite	3,655		—			3,655		Indefinite
	$	13,256	$	(1,574	)	$	11,682		$	13,491	$	(1,084	)	$	12,407

9. Goodwill and Intangible Assets (continued)

Amortization expense totaled $205,000 and $89,000 for the three months ended April 30, 2020 and 2019, respectively. Amortization expense totaled $490,000 and $178,000 for the six months ended April 30, 2020 and 2019, respectively.

Estimated future amortization expense of intangible assets as of April 30, 2020 are as follows (in thousands):



2020 (excluding the six months ended April 30, 2020)	$	547
2021	1,027
2022	976
2023	976
2024	976
Thereafter	3,760
	$	8,262