XML 109 R35.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Note 6 - Inventory, Net (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
December 31,
 
(in thousands)
 
2019
   
2018
 
Raw materials
  $
9,132
    $
6,169
 
Work in progress
   
     
190
 
Finished goods    
1,964
     
1,408
 
Inventory
  $
11,096
    $
7,767