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3. Adoption of ASU 2017-11 (Tables)
9 Months Ended
Sep. 30, 2019
Accounting Changes and Error Corrections [Abstract]  
Reconciliation after adoption of ASU 2017-11
   Derivative
Liability
   Accumulated
Deficit
 
Balance January 1, 2019 (before adoption of ASU 2017-11)  $14,730   $(9,255,432)
Reclassified derivative liability and cumulative effect of adoption   (14,730)   14,730 
Balance January 1, 2019 (after adoption of ASU 2017-11)  $   $(9,240,702)