Note 8 - Goodwill and Intangible Assets (Details Textual) - USD ($)	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015	Dec. 31, 2013
Indiana Bank [Member] | Commercial Banking [Member]
Goodwill	$ 682,000
THE BANCorp [Member] | Core Deposits [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles			$ 2,500,000
Core Deposits [Member]
Finite-Lived Intangible Assets, Net	1,500,000
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	0
Finite-lived Intangible Assets, Fair Value Disclosure	2,400,000	$ 3,100,000
Loans Serviced for Others Outstanding Principal Balance	$ 388,700,000	$ 410,800,000