XML 21 R12.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Inventory
3 Months Ended
Jun. 30, 2011
Inventory  
Inventory

 

7.        Inventory
The components of inventory are as follows (in thousands):
 
     
            
     
  June  30, March 31,
  2011 2011
     
Raw materials  $19,800 $17,100
Work-in-process  4,423 2,432
Finished goods  4,413 3,915
Deferred program costs  2,432 2,381
     
Net inventory $31,068 $25,828

 

Deferred program costs as of June 30, 2011 and March 31 2011 primarily represent costs incurred on D-VAR turnkey projects and programs accounted for under contract accounting where the Company needs to complete development programs before revenue and costs will be recognized, respectively.