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29. Earnings per Share (Details 1) - shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Earnings Per Share Details 1      
Weighted average shares outstanding for basic per share calculation: 541,813 541,391 543,775
Subscription warrants - indemnification 2,395 2,267 2,161
Deferred Stock Plan 1,532 1,851 2,118
Weighted average shares outstanding for diluted per share calculation 545,740 545,509 548,054