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Note 3 - Inventories
3 Months Ended
Jun. 30, 2017
Notes to Financial Statements  
Inventory Disclosure [Text Block]
Note
3
Inventories
 
Inventories consist of the following (in thousands):
 
 
 
 
June 30, 2017
 
 
March 31,
2017
 
Raw materials
  $
10,770
    $
10,815
 
Work-in-process
   
365
     
342
 
Finished goods
   
3,801
     
3,604
 
Less: reserve
   
(1,560
)    
(888
)
    $
13,376
    $
13,873