Intangible Assets and Liabilities Other Than Goodwill (Tables)

3 Months Ended

Mar. 31, 2026

As of March 31, 2026 and December 31, 2025 we had the following amounts related to intangible assets and liabilities other than goodwill:


	March 31, 2026						December 31, 2025
Intangible assets	Cost		Accumulated Amortization		Total		Cost		Accumulated Amortization		Total
Product certifications	$	777,465	$	(737,754)	$	39,711	$	777,465	$	(732,469)	$	44,996
Patents	888,910		(705,183)		183,727		888,910		(682,370)		206,540
Developed technology	240,000		(208,000)		32,000		240,000		(204,000)		36,000
Trademarks	26,896		—		26,896		26,896		—		26,896
In Process R&D	263,936		(188,526)		75,410		263,936		(179,100)		84,836
Favorable contract asset	384,465		(384,465)		—		384,465		(383,540)		925
Customer contracts	2,225,123		(526,012)		1,699,111		2,225,123		(478,813)		1,746,310
	$	4,806,795	$	(2,749,940)	$	2,056,855	$	4,806,795	$	(2,660,292)	$	2,146,503

Intangible liability
Unfavorable contract liability	$	2,341,478	$	(2,148,943)	$	192,535	$	2,341,478	$	(2,136,143)	$	205,335

Aggregate future amortization over the next five years from March 31, 2026 is estimated to be as follows:


	Non-contract Related Intangibles		Contract Related Intangibles		Total
Year 1	$	165,723	$	146,897	$	312,620
Year 2	129,915		154,563		284,478
Year 3	18,768		158,007		176,775
Year 4	5,650		158,007		163,657
Year 5	5,649		170,624		176,273
Thereafter	5,143		718,478		723,621
Total	$	330,848	$	1,506,576	$	1,837,424