Note 5 - (Loss) Earnings Per Common Share (Details Textual) - $ / shares	3 Months Ended	15 Months Ended
	Mar. 31, 2015	Mar. 31, 2016	Dec. 31, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	244,342	0
Common Stock, Shares Authorized		500,000,000	500,000,000
Common Stock, Par or Stated Value Per Share		$ 0.25	$ 0.25
Common Stock, Shares, Issued		381,520,569	378,112,840
Treasury Stock, Shares		3,037,154	2,764,973
Common Stock, Shares, Outstanding		381,520,569	378,112,840