Note 5 - Benefit Plans (Details) (USD $) Share data in Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2012
Compensation and Retirement Disclosure [Abstract]
Defined Benefit Plan, Contributions by Employer	$ 200,000	$ 300,000
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year		400,000
Stock Issued During Period, Shares, Employee Benefit Plan (in Shares)		174	175
Defined Contribution Plan, Cost Recognized		$ 179,000	$ 220,000