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