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 September 30, 2013		Amount Reclassified from AOCI for the nine months ended September 30, 2013		Affected Line Item  in the Statement of Operations
Gains on cash flow hedges
Commodity derivative contracts	$	310	$	309	Fuel expense
		119		119	Income tax expense
	$	191	$	190	Net of tax