Giga-tronics Incorporated Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net

9 Months Ended

Sep. 30, 2022

Note 8. Intangible Assets, net

Intangible assets, net, are comprised of the following (In thousands):


Category	Useful Life	September 30, 2022			December 31, 2021
Trademark	Indefinite life	$	1,449		$	1,546
Tradename	12 years		1,040			—
Customer list	10-16 years		7,017			3,488
Developed technology	8 years		1,410			—
Domain name and other intangible assets	5 years		626			713
			11,542			5,747
Less: accumulated depreciation and amortization			(1,791	)		(1,712	)
Intangible assets, net		$	9,751		$	4,035

Amortization expense for the nine months periods ended September 30, 2022 and 2021 was $276,000 and $296,000, respectively.

Amortization expense for the three months periods ended September 30, 2022 and 2021 was $72,000 and $130,000, respectively.

The following table presents estimated amortization expense for each of the succeeding five calendar years and thereafter (In thousands):