XML 47 R32.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 9 - Inventory (Tables)
 12 Months Ended
Dec. 31, 2017
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
       
   
December 31,
 
(in thousands)
  
2017
    
2016
  
                 
Raw materials
   $
9,767
     $
8,057
  
Work in progress
    
1,998
      
1,531
  
Total inventory
    
11,765
      
9,588
  
Allowance for obsolescence
    
(494
 )    
(278
 )
Inventory, net of allowance
   $
11,271
     $
9,310