10. Leases (Details - Operating lease cost)
|3 Months Ended|
Mar. 31, 2021
|Operating lease costs||$ 278,117|
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