Note 4 - Loans/Leases Receivable (Details) - Concentration By Industries (USD $)	Dec. 31, 2014	Dec. 31, 2013
Note 4 - Loans/Leases Receivable (Details) - Concentration By Industries [Line Items]
Balance	$ 1,630,003,070	$ 1,460,279,558
Lessors of Non-Residential Buildings [Member]
Note 4 - Loans/Leases Receivable (Details) - Concentration By Industries [Line Items]
Balance	256,436,213	237,049,149
Percentage of Total Loans/Leases	16.00%	16.00%
Lessors of Residential Buildings [Member]
Note 4 - Loans/Leases Receivable (Details) - Concentration By Industries [Line Items]
Balance	74,667,674	69,087,354
Percentage of Total Loans/Leases	5.00%	5.00%
Bank Holding Companies [Member]
Note 4 - Loans/Leases Receivable (Details) - Concentration By Industries [Line Items]
Balance	$ 60,910,570	$ 56,716,875
Percentage of Total Loans/Leases	4.00%	4.00%