Patents and Licenses

3 Months Ended

Mar. 31, 2024

Patents and Licenses

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):

March 31, 2024						December 31, 2023
Weighted Average Original Life (years)		Gross Carrying Amount		Accumulated Amortization		Weighted Average Original Life (years)		Gross Carrying Amount		Accumulated Amortization
	15.67	$	13,840	$	12,797		15.67	$	13,840	$	12,768

Aggregated amortization expense for patents and licenses was $29 thousand and $28 thousand in the three-month period ended March 31, 2024 and March 31, 2023, respectively.

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

2025	$	112
2026	$	112
2027	$	108
2028	$	108
2029	$	108