Note 13 - Income (Loss) Per Common Share (Details) - $ / shares	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2015
Note 13 - Income (Loss) Per Common Share (Details) [Line Items]
Common Stock, Shares Authorized	500,000,000	500,000,000
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0.25	$ 0.25
Common Stock, Shares, Issued	367,376,863	378,112,840
Treasury Stock, Shares	2,151,482	2,764,973
Common Stock, Shares, Outstanding	367,376,863	378,112,840
Preferred Stock, Shares Outstanding	157,816	157,816
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	259,342
Gross of Treasury Stock [Member]
Note 13 - Income (Loss) Per Common Share (Details) [Line Items]
Common Stock, Shares, Issued		380,877,813