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Equipment, Furniture and Fixtures (Tables)
9 Months Ended
Jan. 31, 2013
Equipment, Furniture and Fixtures [Abstract]  
Net equipment, furniture and fixtures
Net equipment, furniture and fixtures consisted of the following:
 
 
January 31,
   
April 30,
 
   
2013
   
2012
 
(Amounts in thousands)
         
Plant and machinery
 
$
757
   
$
724
 
Computer equipment
   
1,631
     
1,482
 
Leasehold improvement
   
201
     
190
 
Furniture, fixtures and equipment
   
95
     
91
 
Construction in progress
   
3
     
-
 
     
2,687
     
2,487
 
Accumulated depreciation and amortization
   
(2,121
)
   
(2,005
)
Net equipment, furniture and fixtures 
 
$
566
   
$
482