Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets and Liabilities Other Than Goodwill (Details)

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Intangible Assets and Liabilities Other Than Goodwill (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]    
Amortization of intangible assets $ 42,890 $ 22,816
Net credit to cost of sales for amortization of contract related intangible assets and liabilities 79,053 107,998
Asset abandonment charge $ 7,400 $ 179,944