Note 12 - Pension and Other Postretirement Benefit Plans (Details) - Amounts in Accumulated Other Comprehensive Income to be Recognized as Components of Net Periodic Expense for These Plans in 2013 (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Note 12 - Pension and Other Postretirement Benefit Plans (Details) - Amounts in Accumulated Other Comprehensive Income to be Recognized as Components of Net Periodic Expense for These Plans in 2013 [Line Items]
Net Actuarial loss (gain)	$ 699
Prior Service cost (credit)	(45)
Total	654
Retirement Plan [Member]
Note 12 - Pension and Other Postretirement Benefit Plans (Details) - Amounts in Accumulated Other Comprehensive Income to be Recognized as Components of Net Periodic Expense for These Plans in 2013 [Line Items]
Net Actuarial loss (gain)	759
Total	759
Other Postretirement Benefit Plans [Member]
Note 12 - Pension and Other Postretirement Benefit Plans (Details) - Amounts in Accumulated Other Comprehensive Income to be Recognized as Components of Net Periodic Expense for These Plans in 2013 [Line Items]
Prior Service cost (credit)	(85)
Total	(85)
Directors' Plan [Member]
Note 12 - Pension and Other Postretirement Benefit Plans (Details) - Amounts in Accumulated Other Comprehensive Income to be Recognized as Components of Net Periodic Expense for These Plans in 2013 [Line Items]
Net Actuarial loss (gain)	(60)
Prior Service cost (credit)	40
Total	$ (20)