Consolidated Balance Sheets (Parentheticals) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Preferred stock (dollars per share)	$ 0.10	$ 0.10
Preferred shares authorized	10,000,000	10,000,000
Common stock	$ 0.10	$ 0.10
Common shares authorized	100,000,000	100,000,000
Common shares issued	30,460,933	31,423,427
Common stock outstanding	30,460,933	31,423,427