Note 8 - Employee Benefit Plans (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Note 8 - Employee Benefit Plans (Details) [Line Items]
Deferred Compensation Arrangement with Individual, Employer Contribution	$ 42,000	$ 54,000	$ 62,000
Three Percent of Base Salary [Member]
Note 8 - Employee Benefit Plans (Details) [Line Items]
Defined Benefit Plan Company Contribution, Percentage of a Percentage of Annual Base Salary	100.00%
Two Percent of Base Salary [Member]
Note 8 - Employee Benefit Plans (Details) [Line Items]
Defined Benefit Plan Company Contribution, Percentage of a Percentage of Annual Base Salary	50.00%