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 ($)	Jun. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Intangible assets	$ 2,581,673	$ 2,552,168
Less - accumulated amortization	(1,482,163)	(1,371,145)
Intangible assets, net	1,099,510	1,181,023
Unfavorable contract liability	2,903,419	3,056,655
Less - accumulated amortization	(1,859,197)	(1,797,149)
Unfavorable contract liability, net	1,044,222	1,259,506
Product Certifications
Finite-Lived Intangible Assets [Line Items]
Intangible assets	777,465	765,850
Less - accumulated amortization	(559,162)	(532,676)
Intangible assets, net	218,303	233,174
Patents
Finite-Lived Intangible Assets [Line Items]
Intangible assets	888,911	871,021
Less - accumulated amortization	(360,300)	(314,997)
Intangible assets, net	528,611	556,024
Developed Technology
Finite-Lived Intangible Assets [Line Items]
Intangible assets	240,000	240,000
Less - accumulated amortization	(148,000)	(140,000)
Intangible assets, net	92,000	100,000
Favorable contract asset
Finite-Lived Intangible Assets [Line Items]
Intangible assets	384,465	384,465
Less - accumulated amortization	(367,570)	(355,193)
Intangible assets, net	16,895	29,272
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 R&D
Finite-Lived Intangible Assets [Line Items]
Intangible assets	263,936	263,936
Less - accumulated amortization	(47,131)	(28,279)
Intangible assets, net	$ 216,805	$ 235,657