Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets and Liabilities Other Than Goodwill -Amounts related to intangible assets (Details)

Intangible Assets and Liabilities Other Than Goodwill -Amounts related to intangible assets (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 4,543,970	$ 4,354,331
Less - accumulated amortization	(2,010,858)	(1,918,101)
Intangible assets, net	2,533,112	2,436,230
Unfavorable Contract Liability
Finite-Lived Intangible Assets [Line Items]
Unfavorable contract liability	2,618,168	2,618,168
Less - accumulated amortization	(2,066,580)	(2,019,122)
Unfavorable contract liability, net	551,588	599,046
Product Certifications
Finite-Lived Intangible Assets [Line Items]
Intangible assets	777,465	777,465
Less - accumulated amortization	(675,397)	(658,676)
Intangible assets, net	102,068	118,789
Patents
Finite-Lived Intangible Assets [Line Items]
Intangible assets	888,910	888,910
Less - accumulated amortization	(518,731)	(496,807)
Intangible assets, net	370,179	392,103
Developed Technology
Finite-Lived Intangible Assets [Line Items]
Intangible assets	240,000	240,000
Less - accumulated amortization	(176,000)	(172,000)
Intangible assets, net	64,000	68,000
Favorable Contract Asset
Finite-Lived Intangible Assets [Line Items]
Intangible assets	384,465	384,465
Less - accumulated amortization	(377,063)	(376,138)
Intangible assets, net	7,402	8,327
Customer Contracts
Finite-Lived Intangible Assets [Line Items]
Intangible assets	1,962,298	1,772,659
Less - accumulated amortization	(150,552)	(110,791)
Intangible assets, net	1,811,746	1,661,868
Trademarks
Finite-Lived Intangible Assets [Line Items]
Intangible assets	26,896	26,896
Less - accumulated amortization	0	0
Intangible assets, net	26,896	26,896
In Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets	263,936	263,936
Less - accumulated amortization	(113,115)	(103,689)
Intangible assets, net	$ 150,821	$ 160,247