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Inventories (Details) (USD $)
In Thousands, unless otherwise specified

Jul. 31, 2013

Apr. 30, 2013

Inventories [Abstract]

Raw materials and subassemblies

$ 2,355

$ 2,872

Work-in-process

183

33

Finished Goods

506

760

Total

$ 3,044

$ 3,665

^[1]

[1]	Derived from the consolidated audited financial statements included in the Company's Annual Report on Form 10-K for the fiscal year ended April 30, 2013 filed with the SEC.

- Definition

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.

+ References+ Details