XML 37 R35.htm IDEA: XBRL DOCUMENT

Note 5 - Derivative Financial Instruments (Details) (USD $)	3 Months Ended
	Mar. 31, 2015 gal	Mar. 31, 2014	Dec. 31, 2014
Note 5 - Derivative Financial Instruments (Details) [Line Items]
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	$ (59,000)		$ (101,000)
Price Risk Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	$ (50,000)	$ 14,000
Derivative, Nonmonetary Notional Amount, Gallons (in US Gallons)	55,000
Minimum [Member]
Note 5 - Derivative Financial Instruments (Details) [Line Items]
Derivative, Nonmonetary, Number of Gallons Range (in US Gallons)	10,000
Underlying, Derivative Volume (in Dollars per US Gallon)	2.75
Maximum [Member]
Note 5 - Derivative Financial Instruments (Details) [Line Items]
Derivative, Nonmonetary, Number of Gallons Range (in US Gallons)	15,000
Underlying, Derivative Volume (in Dollars per US Gallon)	2.78

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

+ References+ Details