Note 19 - Commitments, Guarantees and Other Contingencies (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Note 19 - Commitments, Guarantees and Other Contingencies (Details) [Line Items]
Maximum Potential Commitment Under Letters of Credit	$ 4,100,000	$ 3,700,000
Reserve for Unfunded Commitments	138,000	259,000
Private Limited Partnership Interests [Member] | Plexus Fund III, L.P. [Member]
Note 19 - Commitments, Guarantees and Other Contingencies (Details) [Line Items]
Commitments Raised	450,000
Subscription Agreement [Member]
Note 19 - Commitments, Guarantees and Other Contingencies (Details) [Line Items]
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 2,000,000
Percent of Capital Commitments	1.30%