Note 7 - Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014	Dec. 31, 2013
Note 7 - Goodwill and Intangible Assets (Details) [Line Items]
Finite-lived Intangible Assets, Fair Value Disclosure	$ 2,500	$ 3,400
Loans Serviced for Others Outstanding Principal Balance	413,500	$ 421,100
Indiana Bank [Member] | Commercial Banking [Member]
Note 7 - Goodwill and Intangible Assets (Details) [Line Items]
Goodwill	$ 682
THE BANCorp [Member]
Note 7 - Goodwill and Intangible Assets (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Core Deposits [Member]
Note 7 - Goodwill and Intangible Assets (Details) [Line Items]
Finite-Lived Intangible Assets, Net	$ 1,700
Core Deposits [Member] | THE BANCorp [Member]
Note 7 - Goodwill and Intangible Assets (Details) [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles			$ 2,500
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years