Goodwill represents the excess of the purchase price over the fair value of the net assets acquired in business combinations accounted for under the purchase method of accounting. The following table presents goodwill as of September 30, 2026 (in thousands):


	Nine Months Ended September 30,
	2026			2025
Balance at beginning of period	$	20,721		$	18,723
Foreign currency translation adjustment		(612	)		1,980
Total	$	20,109		$	20,703

As of September 30, 2026, intangible assets comprised the following (in thousands):


	Estimated Useful Life in Years	Gross Carrying Amount		Accumulated Amortization			Net
Definite-lived intangible assets:
Developed Technology	7.25	$	13,364	$	(6,452	)	$	6,912
Tradename	8	$	1,246	$	(545	)		701
Total definite-lived intangible assets (1)		$	14,610	$	(6,997	)	$	7,613
(1) Foreign intangible asset carrying amounts are affected by foreign currency translation

We amortize identifiable intangible assets with finite lives over their useful lives on a straight-line basis. Amortization of intangible assets was $0.5 million and $1.6 million for the three and nine months ended September 30, 2026, respectively, and $0.5 million and $1.5 million for the three and nine months ended September 30, 2025, respectively.

As of September 30, 2026, the estimated intangible asset amortization expense for the next five years and thereafter is as follows:


	Estimated Amortization
	(in thousands)
2026		500
2027		1,999
2028		1,999
2029		1,999
2030		1,077
Thereafter		39
Total	$	7,613