Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accounting Policies [Abstract]
Cash Reserve Deposit Required and Made (in Dollars)	$ 0	$ 5,271,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	88,500	131,500	154,000