Annual report pursuant to Section 13 and 15(d)

4. Goodwill and Intangible Assets (Details)

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4. Goodwill and Intangible Assets (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]      
Goodwill $ 537,550 $ 803,118 $ 803,118
Goodwill impairment 2,288,057 0  
Amortization expense 63,795 40,148  
Intangible asset impairment $ 0 $ 0