Note 5 - Benefit Plans (Details) (USD $) Share data in Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Jun. 30, 2013
Compensation and Retirement Disclosure [Abstract]
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 100,000
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year		400,000
Stock Issued During Period, Shares, Employee Benefit Plan (in Shares)		43	139
Stock Issued During Period, Value, Employee Benefit Plan		$ 105,000	$ 128,000