Consolidated Balance Sheet (Parentheticals) - $ / shares	Jun. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Preferred stock, authorized	10,000,000	10,000,000
Preferred stock, par value (in dollars per share)	$ 0.10	$ 0.10
Preferred stock, issued	0	0
Common stock, shares authorized	100,000,000	100,000,000
Common stock,par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, outstanding	29,044,000	28,962,000