Note 8 - Employee Benefit Plans (Details) - Components Of Net Periodic Benefit Cost To Be Recognized Over Next Fiscal Year (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 8 - Employee Benefit Plans (Details) - Components Of Net Periodic Benefit Cost To Be Recognized Over Next Fiscal Year [Line Items]
Amortization of prior service cost	$ 66	$ 401	$ 403
Amounts Expected To Be Recognized In 2014 [Member]
Note 8 - Employee Benefit Plans (Details) - Components Of Net Periodic Benefit Cost To Be Recognized Over Next Fiscal Year [Line Items]
Amortization of net (gain)/loss	2,724
Amortization of prior service cost	$ 352