Note 10 - Operating Segment Information (Tables)

9 Months Ended

Sep. 30, 2013

Segment Reporting [Abstract]

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

	North Sea			Southeast Asia			Americas			Other			Total
	(In thousands)
Quarter Ended September 30, 2013
Revenue	$	51,098		$	18,782		$	51,922		$	-		$	121,802
Direct operating expenses		24,225			6,104			24,872			-			55,201
Drydock expense		2,078			(947	)		1,313			-			2,444
General and administrative expenses		3,623			1,505			2,845			5,549			13,522
Depreciation and amortization expense		6,206			2,885			6,605			556			16,252
(Gain) loss on sale of assets		(6,105	)		-			102			2			(6,001	)
Operating income (loss)	$	21,071		$	9,235		$	16,185		$	(6,107	)	$	40,384
Quarter Ended September 30, 2012
Revenue	$	41,757		$	17,633		$	42,477		$	-		$	101,867
Direct operating expenses		20,938			4,147			23,693			-			48,778
Drydock expense		2,095			2,200			5,220			-			9,515
General and administrative expenses		3,743			677			2,581			7,388			14,389
Depreciation and amortization expense		4,742			2,684			6,704			567			14,697
Impairment charge		859			-			-			-			859
Gain on sale of assets		-			-			(3,919	)		-			(3,919	)
Operating income (loss)	$	9,380		$	7,925		$	8,198		$	(7,955	)	$	17,548

	North Sea			Southeast Asia		Americas			Other			Total
	(In thousands)
Nine Months Ended September 30, 2013
Revenue	$	134,423		$	45,156	$	150,459		$	-		$	330,038
Direct operating expenses		71,098			18,225		72,367			-			161,690
Drydock expense		7,663			5,303		7,212			-			20,178
General and administrative expenses		10,417			4,456		8,068			18,276			41,217
Depreciation and amortization expense		16,315			8,537		19,889			1,706			46,447
(Gain) loss on sale of assets		(6,107	)		82		110			40			(5,875	)
Operating income (loss)	$	35,037		$	8,553	$	42,813		$	(20,022	)	$	66,381
Nine Months Ended September 30, 2012
Revenue	$	124,796		$	46,899	$	122,491		$	-		$	294,186
Direct operating expenses		61,617			12,697		72,119			-			146,433
Drydock expense		7,879			4,329		11,142			-			23,350
General and administrative expenses		10,798			2,239		7,700			17,764			38,501
Depreciation and amortization expense		14,252			7,874		20,733			1,717			44,576
Impairment charge		859			-		-			-			859
Gain on sale of assets		-			-		(8,744	)		-			(8,744	)
Operating income (loss)	$	29,391		$	19,760	$	19,541		$	(19,481	)	$	49,211