Note 6 - (Loss) Earnings Per Common Share (Details Textual) - $ / shares	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Common Stock, Shares Authorized	750,000,000		750,000,000		750,000,000
Common Stock, Par or Stated Value Per Share	$ 0.25		$ 0.25		$ 0.25
Common Stock, Shares, Issued, Total	479,909,466		479,909,466		399,176,425
Treasury Stock, Shares, Ending Balance	5,226,791		5,226,791		4,529,450
Common Stock, Shares, Outstanding, Ending Balance	479,909,466		479,909,466		399,176,425
Earnings Per Share, Basic and Diluted, Total	$ 0.05	$ 0	$ 0.01	$ 0
Class of Warrant or Right, Outstanding		0		0
Restricted Stock Units (RSUs) [Member]
Incremental Common Shares Attributable to Share-based Payment Arrangements, Total		901,047		1,857,555
Deferred Shares [Member]
Incremental Common Shares Attributable to Share-based Payment Arrangements, Total		1,509,159		1,509,159

Number of warrants or rights outstanding.

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Face amount or stated value per share of common stock.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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