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Note 14 - Stockholders' Equity (Tables)
 3 Months Ended
Mar. 31, 2020
Notes Tables  
Schedule of Stockholders Equity [Table Text Block]
     
 
 
    
 
 
    
 
 
    
 
 
  
Accumulated
      
 
 
     
 
 
    
 
 
  
Additional
      
 
 
  
other
    
Total
  
   
Common stock
    
paid in
    
Retained
    
comprehensive
    
stockholders'
  
   
Number
    
Amount
    
capital
    
earnings
    
income (loss)
    
equity
  
                                                 
Balances, December 31, 2019
    
10,585,159
      
16,633
      
880
      
76,208
      
473
      
94,194
  
                                                 
Exercise of stock options
    
25,013
      
236
      
(219
 )    
-
      
-
      
17
  
Shares deducted from exercise of stock options for payment of withholding taxes and exercise consideration
    
(13,034
 )    
-
      
(182
 )    
-
      
-
      
(182
 )
Acquisition of Cedar Holdings Group
    
32,374
      
2,000
      
-
      
-
      
-
      
2,000
  
Repurchase and retirement of shares
    
(66,738
 )    
(118
 )    
(1,280
 )    
(1,719
 )    
-
      
(3,117
 )
Stock-based compensation
    
-
      
-
      
801
      
-
      
-
      
801
  
Net income
    
-
      
-
      
-
      
2,834
      
-
      
2,834
  
Other comprehensive income (loss)
    
-
      
-
      
-
      
-
      
(1,191
 )    
(1,191
 )
Balances, March 31, 2020
    
10,562,774
     $
18,751
     $
-
     $
77,323
     $
(718
 )   $
95,356