The following table summarizes the components of intangible asset balances:



	June 30, 2026		December 31, 2025
(in thousands)	(unaudited)		(audited)
Patents — in use	$	443	$	443
Patents — fully amortized	70		70
Patents — in process	75		74
Internally developed software — in use	4,254		3,934
Internally developed software — in process	377		374
Trademarks	44		44
	5,263		4,939
Accumulated amortization	(1,825)		(1,555)
Total	$	3,438	$	3,384

Amortization expense of intangible assets was approximately $106 thousand and $72 thousand for the three months ended June 30, 2026 and 2025, respectively, and $270 thousand and $132 thousand for the six months ended June 30, 2026 and 2025, respectively.

Expected annual amortization expense for the remaining portion of 2026, the next five years, and thereafter related to intangible assets, excluding trademarks considered to have indefinite lives, is as follows:


(in thousands)
Six months remaining ending December 31, 2026	$	216
2027	431
2028	428
2029	424
2030	406
2031	243
Thereafter	1,246