Note 4 - Periodic Pension Expense (Details) (USD $)	3 Months Ended	6 Months Ended		1 Months Ended	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Curtailment [Member]	Jun. 30, 2013 Curtailment [Member]
Note 4 - Periodic Pension Expense (Details) [Line Items]
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments	$ 1,991,000	$ 1,991,000
Other Tax Expense (Benefit)				1,097,000	1,097,000
Pension Contributions		$ 500,000	$ 550,000