Note 12 - Operating Segment Information (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	North Sea			Southeast Asia			Americas			Other			Total
Year Ended December 31, 2015
Revenue	$	142,168		$	35,524		$	97,114		$	-		$	274,806
Direct operating expenses		84,474			16,483			68,880			-			169,837
Drydock expense		4,112			4,356			6,919			-			15,387
General and administrative expense		9,469			4,296			9,906			23,609			47,280
Depreciation and amortization		28,724			10,419			29,827			3,621			72,591
Impairment charge		22,919			-			129,184			-			152,103
Gain on sale of assets and other		1,244			(59	)		(25	)		-			1,160
Operating income (loss)	$	(8,774	)	$	29		$	(147,577	)	$	(27,230	)	$	(183,552	)
Cash and cash equivalents	$	12,930		$	4,911		$	1,221		$	2,877		$	21,939
Long-lived assets(a)(b)		544,904			216,477			499,083			6,023			1,266,487
Total assets		589,934			232,356			529,654			19,326			1,370,270
Capital expenditures		5,992			253			26,602			2,581			35,428
Year Ended December 31, 2014
Revenue	$	225,253		$	64,753		$	205,763		$	-		$	495,769
Direct operating expenses		113,140			22,831			100,273			-			236,244
Drydock expense		9,094			4,400			11,346			-			24,840
General and administrative expense		17,226			5,387			12,837			27,278			62,728
Depreciation and amortization		32,440			11,168			28,789			2,939			75,336
Impairment charge		8,551			444			-			-			8,995
Gain on sale of assets and other		(3,260	)		(9,200	)		(1,579	)		-			(14,039	)
Operating income (loss)	$	48,062		$	29,723		$	54,097		$	(30,217	)	$	101,665
Cash and cash equivalents	$	19,345		$	15,126		$	7,959		$	8,355		$	50,785
Long-lived assets(a)(b)		627,728			226,920			638,706			7,064			1,500,418
Total assets		725,078			263,487			700,558			27,232			1,716,355
Capital expenditures		109,152			459			45,402			3,413			158,426
Year Ended December 31, 2013
Revenue	$	184,287		$	64,709		$	205,608		$	-		$	454,604
Direct operating expenses		97,293			23,938			96,191			-			217,422
Drydock expense		10,058			5,612			8,424			-			24,094
General and administrative expense		13,884			5,673			11,415			23,555			54,527
Depreciation and amortization		23,410			11,432			26,661			2,452			63,955
(Gain) loss on sale of assets		(6,107	)		82			115			40			(5,870	)
Operating income (loss)	$	45,749		$	17,972		$	62,802		$	(26,047	)	$	100,476
Cash and cash equivalents	$	23,344		$	13,839		$	18,018		$	5,365		$	60,566
Long-lived assets(a)(b)		659,109			253,711			624,386			6,821			1,544,027
Total assets		748,248			292,611			716,963			15,470			1,773,292
Capital expenditures		153,759			2,102			101,265			4,741			261,867