Note 5 - Benfit Plans (Details) (USD $) Share data in Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Compensation and Retirement Disclosure [Abstract]
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 0
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year	500,000
Stock Issued During Period, Shares, Employee Benefit Plan (in Shares)	22	97
Stock Issued During Period, Value, Employee Benefit Plan	$ 52,000	$ 70,000