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Equipment, Furniture and Fixtures
6 Months Ended
Oct. 31, 2011
Equipment, Furniture and Fixtures [Abstract]  
Equipment, Furniture and Fixtures
Equipment, Furniture and Fixtures

Net equipment, furniture and fixtures consisted of the following (in thousands):
   
October 31,
   
April 30,
 
   
2011
   
2011
 
(Amounts in thousands)
         
Plant and machinery
 
$
680
   
$
674
 
Computer equipment
   
1,408
     
1,308
 
Leasehold improvement
   
190
     
183
 
Furniture, fixtures and equipment
   
91
     
91
 
Construction in progress
   
1
     
50
 
     
2,370
     
2,306
 
Accumulated depreciation and amortization
   
(1,940
)
   
(1,874
)
Net equipment, furniture and fixtures 
 
$
430
   
$
432