Intangible Assets and Liabilities Other Than Goodwill (Tables)

3 Months Ended

Mar. 31, 2025

As of March 31, 2025 and December 31, 2024 we had the following amounts related to intangible assets and liabilities other than goodwill:


	March 31, 2025						December 31, 2024
Intangible assets	Cost		Accumulated Amortization		Total		Cost		Accumulated Amortization		Total
Product certifications	$	777,465	$	(716,366)	$	61,099	$	777,465	$	(709,855)	$	67,610
Patents	888,910		(608,267)		280,643		888,910		(584,493)		304,417
Developed technology	240,000		(192,000)		48,000		240,000		(188,000)		52,000
Trademarks	26,896		—		26,896		26,896		—		26,896
In Process R&D	263,936		(150,821)		113,115		263,936		(141,394)		122,542
Favorable contract asset	384,465		(380,764)		3,701		384,465		(379,839)		4,626
Customer contracts	2,225,123		(337,222)		1,887,901		2,225,123		(290,025)		1,935,098
	$	4,806,795	$	(2,385,440)	$	2,421,355	$	4,806,795	$	(2,293,606)	$	2,513,189

Intangible liability
Unfavorable contract liability	$	2,618,168	$	(2,229,402)	$	388,766	$	2,618,168	$	(2,195,329)	$	422,839

Aggregate future amortization over the next five years is estimated to be as follows:


	Non-contract Related Intangibles		Contract Related Intangibles		Total
Year 1	$	168,383	$	94,421	$	262,804
Year 2	168,031		126,791		294,822
Year 3	131,636		133,764		265,400
Year 4	18,768		137,208		155,976
Year 5	5,650		137,208		142,858
Thereafter	10,389		873,444		883,833
Total	$	502,857	1,502,836		$	2,005,693