Quarterly report [Sections 13 or 15(d)]

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

v3.25.1
Intangible Assets and Liabilities Other Than Goodwill -Amounts related to intangible assets (Details) - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]    
Intangible assets $ 4,806,795 $ 4,806,795
Less - accumulated amortization (2,385,440) (2,293,606)
Intangible assets, net 2,421,355 2,513,189
Unfavorable Contract Liability    
Finite-Lived Intangible Assets [Line Items]    
Unfavorable contract liability 2,618,168 2,618,168
Less - accumulated amortization (2,229,402) (2,195,329)
Unfavorable contract liability, net 388,766 422,839
Product Certifications    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets 777,465 777,465
Less - accumulated amortization (716,366) (709,855)
Intangible assets, net 61,099 67,610
Patents    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets 888,910 888,910
Less - accumulated amortization (608,267) (584,493)
Intangible assets, net 280,643 304,417
Developed Technology    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets 240,000 240,000
Less - accumulated amortization (192,000) (188,000)
Intangible assets, net 48,000 52,000
Favorable Contract Asset    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets 384,465 384,465
Less - accumulated amortization (380,764) (379,839)
Intangible assets, net 3,701 4,626
Customer Contracts    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets 2,225,123 2,225,123
Less - accumulated amortization (337,222) (290,025)
Intangible assets, net 1,887,901 1,935,098
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 (150,821) (141,394)
Intangible assets, net $ 113,115 $ 122,542