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Note 8 - Leases (Tables)
 3 Months Ended
Mar. 31, 2020
Notes Tables  
Lease, Cost [Table Text Block]
    Three Months Ended
    March 31,
($'s in thousands)
    2020   2019
Lease Cost:                
Operating   $
305
     $
307
  
Variable    
57
      
57
  
Short-term    
7
      
6
  
Total lease cost   $
369
     $
370
  
                 
Cash paid for amounts included in measurement of lease liabilities:                
Operating   $
305
     $
303
  
                 
Weighted-average remaining lease term (years):                
Operating    
2.45
      
3.37
  
Weighted-average discount rate:                
Operating    
4.45
 %    
4.45
 %
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
Remainder of 2020   $
874
  
2021    
1,121
  
2022    
959
  
2023    
36
  
2024    
-
  
Thereafter    
-
  
Total lease payments    
2,990
  
Less: Interest    
(163
 )
Present value of lease liabilities   $
2,827