6. Fair Value Measurements (Tables)
|6 Months Ended|
Jun. 30, 2017
|Fair Value Disclosures [Abstract]|
|Schedule of derivative measured on a recurring basis||
Tabular disclosure of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset) using recurring unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
Reference 1: http://www.xbrl.org/2003/role/presentationRef