Note 5 - Earnings (Loss) Per Common Share (Details Textual) - $ / shares	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2016	Dec. 31, 2015
Restricted Stock Units (RSUs) [Member]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	4,309,440	4,309,440
Common Stock, Shares Authorized	500,000,000	500,000,000	500,000,000
Common Stock, Par or Stated Value Per Share	$ 0.25	$ 0.25	$ 0.25
Common Stock, Shares, Issued	395,110,129	395,110,129	378,112,840
Treasury Stock, Shares	3,930,122	3,930,122	2,764,973
Common Stock, Shares, Outstanding	395,110,129	395,110,129	378,112,840
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	0	0