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, 2020
Mar. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]    
Amortization of intangible assets $ 22,816 $ 24,099
Net credit to cost of sales for amortization of contract related intangible assets and liabilities 107,998 $ 173,292
Asset abandonment charge $ 179,944