Stock options	12 Months Ended
Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock options	10. Stock options The Group has stock option plans that allow it to grant options to its key employees. During 2015 and 2014, the Company did not issue any stock options and there were no stock options being issued or outstanding.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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