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Note 11 - Accrued Liabilities
 12 Months Ended
Dec. 31, 2020
Notes to Financial Statements  
Accrued Liabilities [Text Block]
(
11
)
Accrued Liabilities
 
Accrued liabilities consist of the following (in thousands):
 
 
   
December 31,
 
   
2020
    
2019
  
Salaries, wages, employment taxes and withholdings
   $
2,793
     $
2,416
  
Employee benefit plans
    
1,216
      
1,517
  
Accrued professional fees
    
695
      
966
  
Income, property and other taxes
    
253
      
355
  
Contract liabilities
    
6,816
      
5,769
  
Deferred gain from sale-leaseback
    
296
      
313
  
Other
    
1,340
      
1,159
  
Total   $
13,409
     $
12,495
  
 
Included in other accrued liabilities are accrued operating expenses, accrued warranty expenses, accrued interest, and other items,
none
of which exceed
5%
of total current liabilities.