Note 12 - Pension and Other Postretirement Benefit Plans (Details) - The Following Benefit Payments, Which Reflect Expected Future Service, Are Expected to be Paid by the Retirement Plan (Retirement Plan [Member], USD $)	Dec. 31, 2013
Retirement Plan [Member]
Note 12 - Pension and Other Postretirement Benefit Plans (Details) - The Following Benefit Payments, Which Reflect Expected Future Service, Are Expected to be Paid by the Retirement Plan [Line Items]
2014	$ 158,000
2015	184,000
2016	206,000
2017	228,000
2018	248,000
2019 - 2023	$ 1,428,000