Note 13 - Regulatory Capital Requirements (Tables)
12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]
   
Actual
   
Minimum to Qualify as Well Capitalized
 
   
Amount
   
Ratio
   
Amount
   
Ratio
 
As of December 31, 2016:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total Risk Based Capital to Risk-Weighted Assets
                               
Consolidated
  $
153,957
     
18.35
%   $
83,923
     
10
%
Monroe Bank & Trust
   
151,936
     
18.12
%    
83,831
     
10
%
Tier 1 Capital to Risk-Weighted Assets
                               
Consolidated
   
145,144
     
17.30
%    
67,138
     
8
%
Monroe Bank & Trust
   
143,123
     
17.07
%    
67,064
     
8
%
Common Equity Tier 1 Capital to Risk-Weighted Assets
                               
Consolidated
   
145,144
     
17.30
%    
54,550
     
6.5
%
Monroe Bank & Trust
   
143,123
     
17.07
%    
54,490
     
6.5
%
Tier 1 Capital to Average Assets
                               
Consolidated
   
145,144
     
10.89
%    
66,645
     
5
%
Monroe Bank & Trust
   
143,123
     
10.75
%    
66,579
     
5
%
   
Actual
   
Minimum to Qualify as Well Capitalized
 
   
Amount
   
Ratio
   
Amount
   
Ratio
 
As of December 31, 2015:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total Capital to Risk-Weighted Assets
                               
Consolidated
  $
154,718
     
19.79
%   $
78,163
     
10
%
Monroe Bank & Trust
   
153,026
     
19.59
%    
78,107
     
10
%
Tier 1 Capital to Risk-Weighted Assets
                               
Consolidated
   
144,857
     
18.53
%    
62,531
     
8
%
Monroe Bank & Trust
   
143,175
     
18.33
%    
62,485
     
8
%
Common Equity Tier 1 Capital to Risk-Weighted Assets
                               
Consolidated
   
144,857
     
18.53
%    
50,806
     
6.5
%
Monroe Bank & Trust
   
143,175
     
18.33
%    
50,769
     
6.5
%
Tier 1 Capital to Average Assets
                               
Consolidated
   
144,857
     
11.04
%    
65,625
     
5
%
Monroe Bank & Trust
   
143,175
     
10.91
%    
65,602
     
5
%