Note 1 - Basis of Presentation (Details Textual) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)
Number of Reportable Segments	3
Net Income (Loss) Attributable to Parent	$ 7,699	$ (767)
Restatement Adjustment [Member]
Net Income (Loss) Attributable to Parent	$ 1,900