Intangible Assets

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible AssetsIntangible assets consist of patents, which management evaluates to determine whether they (i) support current products; (ii) support planned research and development, or (iii) prevent others from competing with Gevo's products.

The following table sets forth the Company’s identifiable intangible assets by classification (in thousands):

	March 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Identifiable Intangible Assets, Net		Weighted-Average Useful Life (Years)
Finite-lived intangible assets:
Patents	$	4,580	$	(516)	$	4,064	7.3
Defensive assets	4,900		(308)		4,592		8.4
Identifiable intangible assets	$	9,480	$	(824)	$	8,656	7.9

	December 31, 2021
	Gross Carrying Amount		Accumulated Amortization		Identifiable Intangible Assets, Net		Weighted-Average Useful Life (Years)
Finite-lived intangible assets:
Patents	$	4,575	$	(368)	$	4,207	7.3
Defensive assets	4,895		(164)		4,731		8.4
Identifiable intangible assets	$	9,470	$	(532)	$	8,938	7.9

The following table details the estimated amortization of identifiable intangible assets as of March 31, 2022 (in thousands):

Year ending December 31,	Patents		Defensive Assets		Total
2022 (remaining)	$	452	$	442	$	894
2023	599		586		1,185
2024	601		588		1,189
2025	599		586		1,185
2026	585		586		1,171
2027 and thereafter	1,228		1,804		3,032
Total	$	4,064	$	4,592	$	8,656

See Note 8 for the amortization of intangible assets for the three months ended March 31, 2022 and March 31, 2021.