Annual report pursuant to Section 13 and 15(d)

Intangible assets and liabilities other than goodwill (Tables)

v3.20.4
Intangible assets and liabilities other than goodwill (Tables)
12 Months Ended
Dec. 31, 2020
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Schedule of Finite-Lived Intangible Assets
Intangible assets and liabilities at December 31, 2020 and 2019 consist of the following:

December 31, 2020 December 31, 2019
Intangible assets Cost Accumulated Amortization Net Cost Accumulated Amortization Net
Product certifications $ 726,159  $ (478,357) $ 247,802  $ 726,159  $ (399,906) $ 326,253 
Patents 855,014  (220,764) 634,250  1,017,108  (206,499) 810,609 
Developed technology 240,000  (124,000) 116,000  240,000  (108,000) 132,000 
Trademarks 26,896  —  26,896  26,896  —  26,896 
In process R&D 263,936  —  263,936  263,936  —  263,936 
Favorable contract assets 384,465  (313,031) 71,434  304,465  (270,378) 34,087 
$ 2,496,470  $ (1,136,152) $ 1,360,318  $ 2,578,564  $ (984,783) $ 1,593,781 
Intangible liability
Unfavorable contract liability $ 2,534,818  $ (917,767) $ 1,617,051  $ 4,689,025  $ (2,154,207) $ 2,534,818 
Schedule of Estimated Future Amortization Expense Aggregate future amortization over the next five years is estimated to be as follows:
Non-contract related intangibles Contract related intangibles Total
2021 $ 185,341  $ (317,275) $ (131,934)
2022 178,264  (320,008) (141,744)
2023 171,191  (253,372) (82,181)
2024 150,054  (208,448) (58,394)
2025 141,109  (130,116) 10,993 
Thereafter 455,459  (335,828) 119,631 
  $ 1,281,418  $ (1,565,047) $ (283,629)