Note 2 - Long-Term Incentive Plans (Details) (USD $) In Thousands, except Share data in Millions, unless otherwise specified	3 Months Ended		9 Months Ended				9 Months Ended	6 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Jun. 30, 2013	May 31, 2013	Sep. 30, 2013 Time-based Awards [Member]	Jun. 30, 2013 Modifications to the Awards [Member]	Sep. 30, 2013 Management Incentive Compensation Plan [Member]	Sep. 30, 2013 Management Incentive Compensation Plan [Member]	Jun. 30, 2013 Unamortized Expense Related to Vesting of Awards [Member]
Note 2 - Long-Term Incentive Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)	3.5		3.5			3.0
Share-based Compensation Arrangement by Share-based Payment Award Option Life			10 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period							3 years
Share-based Compensation	$ 257	$ 240	$ 2,641	$ 719				$ 400	$ 400	$ 900	$ 1,300
Number of Positions Reduced					20
Percentage Share Based Compensation Payable With Common Stock			65.00%