Intangible Assets, Net

12 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets, Net

Intangible Assets, Net

Intangible assets, net consist of (in thousands):

	June 30,
	2020		2019
Patent costs	$	2,330	$	2,330
Accumulated amortization	(1,724)		(1,592)
Total definite-lived intangible assets, net	606		738
Trademarks and other indefinite-lived intangible assets	245		245
Total intangible assets, net	$	851	$	983

Amortization expense totaled $0.1 million, $0.1 million and $0.1 million for the fiscal years ended June 30, 2020, 2019 and 2018, respectively. As of June 30, 2020, the remaining weighted-average amortization period for definite-lived intangible assets was 4.75 years. Annual estimated amortization expense is expected to approximate $0.1 million for each of the five succeeding fiscal years.