Note 15 - Commitments and Contingencies (Details)	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Note 15 - Commitments and Contingencies (Details) [Line Items]
Number of Operating Leases Sites	4
Additional Provisions to Reserve for Unfunded Commitments	$ 0	$ 0
Real Estate Related Loans Representing Lease Portfolio	74.00%	72.00%
Other Liabilities [Member]
Note 15 - Commitments and Contingencies (Details) [Line Items]
Reserve for Unfunded Commitments	$ 695,000	$ 695,000
Standby Letters of Credit [Member]
Note 15 - Commitments and Contingencies (Details) [Line Items]
Expiry of Standby Letters of Credit Within One Year	133,000
Expiry of Standby Letter of Credit Thereafter	$ 2,300,000