13. Stock Options (Tables)
|12 Months Ended|
Dec. 31, 2015
|Disclosure of Compensation Related Costs, Share-based Payments [Abstract]|
|Schedule of stock option activity||
Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value.
No definition available.