Condensed Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Preferred shares, par value (in Dollars per share)	$ 0.01	$ 0.01
Preferred shares, shares authorized	10,000	10,000
Preferred shares, shares issued	0	0
Preferred shares, shares outstanding	0	0
Common shares, par value (in Dollars per share)	$ 0.01	$ 0.01
Common shares, shares authorized	100,000	100,000
Common shares, shares issued	24,047	23,982
Treasury shares, at cost, shares	10,042	9,312