Note 4 - Loans and Allowance for Loan Losses (Details) - Activity for Troubled Debt Restructurings (USD $)	12 Months Ended	7 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Commercial and Industrial [Member] | Originated Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	$ 1,656,000
Ending Balance	7,026,000	7,026,000
Charge-Offs	(67,000)
Payments	(871,000)
Transfers to ORE	(21,000)
Net Additions/Deletions	6,329,000
Commercial and Industrial [Member] | Acquired Loan [Member]
Commercial Loan Portfolio:
Beginning Balance		0
Ending Balance	1,439,000	1,439,000
Charge-Offs		0
Payments		(2,000)
Transfers to ORE		0
Net Additions/Deletions		1,441,000
Commercial and Industrial [Member]
Commercial Loan Portfolio:
Beginning Balance			2,720,000	4,553,000
Ending Balance			1,656,000	2,720,000
Charge-Offs			(35,000)	(540,000)
Payments			(2,781,000)	(2,584,000)
Transfers to ORE			(74,000)	(96,000)
Net Additions/Deletions			1,826,000	1,387,000
Commercial Vacant Land and Land Development and Residential Construction Loan [Member] | Originated Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	4,501,000
Ending Balance	2,680,000	2,680,000
Charge-Offs	0
Payments	(4,719,000)
Transfers to ORE	0
Net Additions/Deletions	2,898,000
Commercial Vacant Land and Land Development and Residential Construction Loan [Member] | Acquired Loan [Member]
Commercial Loan Portfolio:
Beginning Balance		0
Ending Balance	0	0
Charge-Offs		0
Payments		0
Transfers to ORE		0
Net Additions/Deletions		0
Commercial Vacant Land and Land Development and Residential Construction Loan [Member]
Commercial Loan Portfolio:
Beginning Balance			3,071,000	5,100,000
Ending Balance			4,501,000	3,071,000
Charge-Offs			(725,000)	(63,000)
Payments			(1,596,000)	(2,013,000)
Transfers to ORE			0	0
Net Additions/Deletions			3,751,000	47,000
Commercial Real Estate Owner Occupied Loan [Member] | Originated Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	1,816,000
Ending Balance	17,160,000	17,160,000
Charge-Offs	(11,000)
Payments	(2,343,000)
Transfers to ORE	(48,000)
Net Additions/Deletions	17,746,000
Commercial Real Estate Owner Occupied Loan [Member] | Acquired Loan [Member]
Commercial Loan Portfolio:
Beginning Balance		0
Ending Balance	1,569,000	1,569,000
Charge-Offs		0
Payments		0
Transfers to ORE		0
Net Additions/Deletions		1,569,000
Commercial Real Estate Owner Occupied Loan [Member]
Commercial Loan Portfolio:
Beginning Balance			4,116,000	6,183,000
Ending Balance			1,816,000	4,116,000
Charge-Offs			(70,000)	(426,000)
Payments			(2,151,000)	(3,443,000)
Transfers to ORE			(363,000)	(65,000)
Net Additions/Deletions			284,000	1,867,000
Commercial Real Estate Non Owner Occupied Loan [Member] | Originated Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	22,311,000
Ending Balance	17,439,000	17,439,000
Charge-Offs	0
Payments	(5,190,000)
Transfers to ORE	0
Net Additions/Deletions	318,000
Commercial Real Estate Non Owner Occupied Loan [Member] | Acquired Loan [Member]
Commercial Loan Portfolio:
Beginning Balance		0
Ending Balance	64,000	64,000
Charge-Offs		0
Payments		0
Transfers to ORE		0
Net Additions/Deletions		64,000
Commercial Real Estate Non Owner Occupied Loan [Member]
Commercial Loan Portfolio:
Beginning Balance			37,671,000	12,036,000
Ending Balance			22,312,000	37,671,000
Charge-Offs			(2,537,000)	(720,000)
Payments			(13,795,000)	(2,482,000)
Transfers to ORE			(1,153,000)	(1,045,000)
Net Additions/Deletions			2,126,000	29,882,000
Commercial Real Estate Multi Family and Residential Rental Loan [Member] | Originated Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	2,620,000
Ending Balance	505,000	505,000
Charge-Offs	(420,000)
Payments	(1,695,000)
Transfers to ORE	0
Net Additions/Deletions	0
Commercial Real Estate Multi Family and Residential Rental Loan [Member] | Acquired Loan [Member]
Commercial Loan Portfolio:
Beginning Balance		0
Ending Balance	381,000	381,000
Charge-Offs		0
Payments		(18,000)
Transfers to ORE		0
Net Additions/Deletions		399,000
Commercial Real Estate Multi Family and Residential Rental Loan [Member]
Commercial Loan Portfolio:
Beginning Balance			3,027,000	12,626,000
Ending Balance			2,620,000	3,027,000
Charge-Offs			(15,000)	(2,180,000)
Payments			(735,000)	(7,422,000)
Transfers to ORE			0	(186,000)
Net Additions/Deletions			343,000	189,000
Retail Home Equity and Other [Member] | Originated Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	0
Ending Balance	0	0
Charge-Offs	0
Payments	0
Transfers to ORE	0
Net Additions/Deletions	0
Retail Home Equity and Other [Member] | Acquired Loan [Member]
Commercial Loan Portfolio:
Beginning Balance		0
Ending Balance	26,000	26,000
Charge-Offs		0
Payments		0
Transfers to ORE		0
Net Additions/Deletions		26,000
Retail Home Equity and Other [Member]
Commercial Loan Portfolio:
Beginning Balance			0	0
Ending Balance			0	0
Charge-Offs			0	0
Payments			0	0
Transfers to ORE			0	0
Net Additions/Deletions			0	0
Retail 1-4 Family Mortgages [Member] | Originated Loan [Member]
Commercial Loan Portfolio:
Beginning Balance	1,987,000
Ending Balance	1,967,000	1,967,000
Charge-Offs	0
Payments	(224,000)
Transfers to ORE	0
Net Additions/Deletions	204,000
Retail 1-4 Family Mortgages [Member] | Acquired Loan [Member]
Commercial Loan Portfolio:
Beginning Balance		0
Ending Balance	178,000	178,000
Charge-Offs		0
Payments		0
Transfers to ORE		0
Net Additions/Deletions		178,000
Retail 1-4 Family Mortgages [Member]
Commercial Loan Portfolio:
Beginning Balance			155,000	164,000
Ending Balance			1,987,000	155,000
Charge-Offs			0	0
Payments			(46,000)	(9,000)
Transfers to ORE			0	0
Net Additions/Deletions			$ 1,878,000	$ 0