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INVENTORIES (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Mar. 31, 2012
INVENTORIES [Abstract]
Raw materials	$ 9,468	$ 9,046
Work-in-process	3,369	3,369
Finished goods	8,103	7,182
Inventories	$ 20,940	$ 19,597

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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