Note 5 - (Loss) Earnings Per Common Share (Details Textual) - $ / shares	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Common Stock, Shares Authorized	750,000,000		750,000,000
Common Stock, Par or Stated Value Per Share	$ 0.25		$ 0.25
Common Stock, Shares, Issued, Total	482,987,752		482,603,937
Treasury Stock, Shares, Ending Balance	5,226,791		5,226,791
Common Stock, Shares, Outstanding, Ending Balance	482,987,752		482,603,937
Earnings Per Share, Basic and Diluted, Total	$ 0.05	$ 0.02
Restricted Stock Units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		539,204
Deferred Shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		212,602
Restricted Stock Units (RSUs) [Member]
Incremental Common Shares Attributable to Share-based Payment Arrangements, Total		1,092,307
Deferred Shares [Member]
Incremental Common Shares Attributable to Share-based Payment Arrangements, Total		1,509,159

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Face amount or stated value per share of common stock.

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