Note 25 - Parent Company Only Financial Information (Details) - Quarterly Financial Information (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Note 25 - Parent Company Only Financial Information (Details) - Quarterly Financial Information [Line Items]
Interest expense	$ 5,138		$ 3,392
Net interest income	37,353		14,973
Provision for loan losses	1,588
Net interest income after provision for loan losses	35,765		14,973
Noninterest income	10,039		5,426
Noninterest expense	42,068		19,659
Income tax provision	(20,570)		11
Earnings per share(1):
Basic (in Dollars per share)	$ 0.86	[1]	$ 0.03	[1]
Diluted (in Dollars per share)	$ 0.84	[1]	$ 0.03	[1]
Basic weighted - average shares (in Shares)	28,410,579		22,050,742
Effect of dilutive securities (in Shares)	472,532		1,117,533
Diluted weighted - average shares (in Shares)	28,883,111		23,168,275
Fourth Quarter [Member]
Note 25 - Parent Company Only Financial Information (Details) - Quarterly Financial Information [Line Items]
Interest income	14,945		4,748
Interest expense	1,627		878
Net interest income	13,318		3,870
Provision for loan losses	758
Net interest income after provision for loan losses	12,560		3,870
Net gain on sales and calls of	1
Noninterest income	3,381		1,413
Noninterest expense	11,387		5,084
Income before income taxes	4,555		199
Income tax provision	(259)
Net income	4,814		199
Earnings per share(1):
Basic (in Dollars per share)	$ 0.14	[2]	$ 0.01	[2]
Diluted (in Dollars per share)	$ 0.14	[2]	$ 0.01	[2]
Net interest margin	3.91%		3.12%
Return on average assets	1.26%		0.15%
Return on average equity	11.54%		1.11%
Basic weighted - average shares (in Shares)	33,366,628		22,268,320
Effect of dilutive securities (in Shares)	141,602		940,234
Diluted weighted - average shares (in Shares)	33,508,230		23,208,554
Third Quarter [Member]
Note 25 - Parent Company Only Financial Information (Details) - Quarterly Financial Information [Line Items]
Interest income	16,223		4,579
Interest expense	1,567		825
Net interest income	14,656		3,754
Provision for loan losses	600
Net interest income after provision for loan losses	14,056		3,754
Net gain on sales and calls of	30		25
Noninterest income	3,601		1,394
Noninterest expense	15,324		5,019
Income before income taxes	2,363		154
Income tax provision	(20,312)		11
Net income	22,675		143
Earnings per share(1):
Basic (in Dollars per share)	$ 0.68	[2]	$ 0.01	[2]
Diluted (in Dollars per share)	$ 0.68	[2]	$ 0.01	[2]
Net interest margin	4.44%		3.15%
Return on average assets	6.07%		0.11%
Return on average equity	62.24%		0.81%
Basic weighted - average shares (in Shares)	33,364,021		22,237,039
Effect of dilutive securities (in Shares)	68,465		989,090
Diluted weighted - average shares (in Shares)	33,432,486		23,226,129
Second Quarter [Member]
Note 25 - Parent Company Only Financial Information (Details) - Quarterly Financial Information [Line Items]
Interest income	6,568		4,457
Interest expense	1,050		830
Net interest income	5,518		3,627
Provision for loan losses	230
Net interest income after provision for loan losses	5,288		3,627
Noninterest income	1,825		1,340
Noninterest expense	10,019		4,883
Income before income taxes	(2,906)		84
Net income	(2,906)		84
Earnings per share(1):
Basic (in Dollars per share)	$ (0.12)	[2]	$ 0.00	[2]
Diluted (in Dollars per share)	$ (0.12)	[2]	$ 0.00	[2]
Net interest margin	3.33%		2.98%
Return on average assets	(1.55%)		0.06%
Return on average equity	(13.42%)		0.47%
Basic weighted - average shares (in Shares)	24,466,899		22,108,439
Effect of dilutive securities (in Shares)			1,083,416
Diluted weighted - average shares (in Shares)	24,466,899		23,191,855
First Quarter [Member]
Note 25 - Parent Company Only Financial Information (Details) - Quarterly Financial Information [Line Items]
Interest income	4,751		4,581
Interest expense	891		859
Net interest income	3,860		3,722
Net interest income after provision for loan losses	3,860		3,722
Noninterest income	1,202		1,254
Noninterest expense	5,339		4,673
Income before income taxes	(277)		303
Net income	$ (277)		$ 303
Earnings per share(1):
Basic (in Dollars per share)	$ (0.01)	[2]	$ 0.01	[2]
Diluted (in Dollars per share)	$ (0.01)	[2]	$ 0.01	[2]
Net interest margin	3.08%		3.13%
Return on average assets	(0.20%)		0.23%
Return on average equity	(1.54%)		1.73%
Basic weighted - average shares (in Shares)	22,268,376		21,579,555
Effect of dilutive securities (in Shares)			1,462,389
Diluted weighted - average shares (in Shares)	22,268,376		23,041,944

[1] All per share amounts have been adjusted to give effect to the 11% stock dividend paid during December 2014.

[2] Basic and diluted weighted average shares outstanding are summarized below. The shares used in the calculation have been adjusted to give effect to the 11%common stock dividend paid in December 2014.