Note 21 - Condensed Parent Company Only Financial Statements (Details) - Condensed Balance Sheet (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011
ASSETS
Cash and due from banks	$ 2,095		$ 1,570
Other assets	1,363		1,844
Total assets	632,624		541,248
LIABILITIES AND SHAREHOLDERS' EQUITY
Borrowings	128,248
Shareholders' equity	58,735	[1]	41,841	[1]	49,568	50,550
Total liabilities and shareholders' equity	632,624	[1]	541,248	[1]
Parent Company [Member]
ASSETS
Cash and due from banks	395		1,734
Investment in subsidiaries	67,050		49,931
Other assets	231		201
Total assets	67,676		51,866
LIABILITIES AND SHAREHOLDERS' EQUITY
Borrowings	8,248		8,248
Accrued expenses and other liabilities	693		1,777
Shareholders' equity	58,735		41,841
Total liabilities and shareholders' equity	$ 67,676		$ 51,866

[1] On March 4, 2015, the Company affected a 1-for-10 reverse stock split. All common stock data included in these financial statements has been restated to give effect to the reverse stock split.