9. Contractual Obligations (Tables)
|6 Months Ended|
Jun. 30, 2015
|Commitments and Contingencies Disclosure [Abstract]|
Tabular disclosure of the aggregate amount of payments due on known contractual obligations for the five years following the date of the latest balance sheet and the combined aggregate amount of maturities of known contractual obligations.
Reference 1: http://www.xbrl.org/2003/role/presentationRef