Note 3 - Impairment Charges (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Details of Impairment of Long-Lived Assets Held and Used by Asset [Table Text Block]

	2016		2015		2014
Goodwill impairment	$	-	$	22,554	$	-
Long-lived assets impairment		160,222		115,489		-
Intangible asset impairment		-		13,695		-
Vessel component impairment		2,586		365		7,459
Assets held for sale		-		-		1,536
Total reduction in value of assets	$	162,808	$	152,103	$	8,995