Patents and Licenses

6 Months Ended

Jun. 30, 2022

Patents and Licenses

5- Patents And Licenses

(5) Patents and Licenses

Patents and license fees paid for the use of other entities’ patents are amortized over the useful life of the patent or license. The following tables provide information regarding patents and licenses (dollars in thousands):

June 30, 2022						December 31, 2021
Weighted Average Original Life (years)		Gross Carrying Amount		Accumulated Amortization		Weighted Average Original Life (years)		Gross Carrying Amount		Accumulated Amortization
	15.67	$	13,840	$	12,598		15.67	$	13,840	$	12,538

Aggregated amortization expense for patents and licenses was $30 thousand in each of the three-month periods ended June 30, 2022 and 2021 and $60 thousand in each of the six month periods ended June 30, 2022 and 2021.

Estimated future amortization expense for each of the years set forth below ending December 31 is as follows (in thousands):

2023	$	113
2024	$	113
2025	$	112
2026	$	112
2027	$	108