Note 14 - Shareholders' Equity (Details Textual) - $ / shares	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015
Equity [Abstract]
Preferred Stock, No Par Value	$ 0		$ 0
Preferred Stock, Shares Outstanding	0		0
Treasury Stock, Shares	400,000		300,000
Stock Authorized	560,000,000
Common Stock, Shares Authorized	500,000,000
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	60,000,000
Common Stock, Shares, Outstanding	42,300,000		42,000,000