12. Leases (Details - Operating lease cost)
|9 Months Ended|
Sep. 30, 2019
|Operating lease costs||$ 118,767|
Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.
Reference 1: http://www.xbrl.org/2003/role/exampleRef