Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

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Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Mar. 31, 2012
Major Classification of Inventories    
Raw materials and supplies $ 3,259 $ 2,366
Work in process 13,801 12,405
Finished products 703 587
Inventory Gross 17,763 15,358
Less - progress payments 8,094 9,311
Total $ 9,669 $ 6,047