Note 11 - Accumulated Other Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2013

Accumulated Other Comprehensive Income [Abstract]

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

Details about AOCI Components	Amount Reclassified from AOCI for the three months ended June 30, 2013		Amount Reclassified from AOCI for the six months ended June 30, 2013		Affected Line Item in the Statement of Operations
Gains/(losses)on cash flow hedges
Commodity derivative contracts	$	282	$	1	Fuel expense
		174		0	Income tax expense
	$	108	$	1	Net of tax