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Equipment, Furniture and Fixtures
9 Months Ended
Jan. 31, 2012
Equipment, Furniture and Fixtures [Abstract]  
Equipment, Furniture and Fixtures
Equipment, Furniture and Fixtures

Net equipment, furniture and fixtures consisted of the following:
   
January 31,
   
April 30,
 
   
2012
   
2011
 
(Amounts in thousands)
         
Plant and machinery
 
$
721
   
$
674
 
Computer equipment
   
1,398
     
1,308
 
Leasehold improvement
   
190
     
183
 
Furniture, fixtures and equipment
   
91
     
91
 
Construction in progress
   
-
     
50
 
     
2,400
     
2,306
 
Accumulated depreciation and amortization
   
(1,964
)
   
(1,874
)
Net equipment, furniture and fixtures 
 
$
436
   
$
432