Note 4 - Periodic Pension Expense (Details) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Note 4 - Periodic Pension Expense (Details) [Line Items]
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments	$ 1,991,000
Pension Contributions	1,000,000	550,000
Curtailment [Member]
Note 4 - Periodic Pension Expense (Details) [Line Items]
Other Tax Expense (Benefit)	$ 1,097,000