Intangible Assets (Tables)
 6 Months Ended
Jun. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of intangible assets

   June 30,   December 31, 
   2020   2019 
Gross carrying amount  $4,768,507   $4,839,117 
Accumulated amortization   (4,583,263)   (4,633,506)
Net carrying amount  $185,244   $205,611