Common Shares and Preferred Shares (Tables)

12 Months Ended

Dec. 31, 2013

Equity [Abstract]

Schedule of Stock by Class [Table Text Block]

Common Shares Outstanding--The table below reconciles the activity of the common shares outstanding:

	December 31,
	2013		2012
Shares outstanding, beginning of year	13,726,002		13,845,635
Shares purchased	(931,078	)	(891,704	)
Shares sold	299,330		327,442
Stock subscription offering, employee cash purchases	25,837		76,525
Options exercised	318,520		368,104
	(287,391	)	(119,633	)
Shares outstanding, end of year	13,438,611		13,726,002