Intangible Assets and Liabilities Other Than Goodwill (Tables)

6 Months Ended

Jun. 30, 2025

As of June 30, 2025 and December 31, 2024 we had the following amounts related to intangible assets and liabilities other than goodwill:


	June 30, 2025						December 31, 2024
Intangible assets	Cost		Accumulated Amortization		Total		Cost		Accumulated Amortization		Total
Product certifications	$	777,465	$	(721,888)	$	55,577	$	777,465	$	(709,855)	$	67,610
Patents	888,910		(631,592)		257,318		888,910		(584,493)		304,417
Developed technology	240,000		(196,000)		44,000		240,000		(188,000)		52,000
Trademarks	26,896		—		26,896		26,896		—		26,896
In Process R&D	263,936		(160,247)		103,689		263,936		(141,394)		122,542
Favorable contract asset	384,465		(381,690)		2,775		384,465		(379,839)		4,626
Customer contracts	2,225,123		(384,419)		1,840,704		2,225,123		(290,025)		1,935,098
	$	4,806,795	$	(2,475,836)	$	2,330,959	$	4,806,795	$	(2,293,606)	$	2,513,189

Intangible liability
Unfavorable contract liability	$	2,618,168	$	(2,259,127)	$	359,041	$	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	$	168,137	$	107,141	$	275,278
Year 2	167,954		127,411		295,365
Year 3	95,470		136,329		231,799
Year 4	14,395		137,208		151,603
Year 5	5,650		137,743		143,393
Thereafter	8,978		838,606		847,584
Total	$	460,584	1,484,438		$	1,945,022