Note 6 - Disposition (Tables)

6 Months Ended

Jun. 30, 2012

Three Months Ended [Member]

Schedule of Product Information [Table Text Block]

	Three months ended June 30,
	2012		2011
Operating revenues	$	-	$	12,432
Operating expenses including depreciation and amortization		-		11,803
Income from operations		-		629
Other income (expense), net		-		1,195
Income from discontinued operations, net of tax	$	-	$	1,824

Six Months Ended [Member]

Schedule of Product Information [Table Text Block]

	Six months ended June 30,
	2012		2011
Operating revenues	$	-	$	26,293
Operating expenses including depreciation and amortization		-		24,433
Income from operations		-		1,860
Other income (expense), net		-		1,169
Income from discontinued operations, net of tax	$	-	$	3,029