SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Apr. 30, 2013

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Product warranty reserve activity

Estimated warranty costs are accrued as revenues are recognized. Included in the warranty cost accruals are costs for basic warranties on products sold. A summary of product warranty reserve activity for the fiscal years ended April 30, 2013 and 2012 is as follows:

(Amounts in thousands)

Balance at April 30, 2011	$	31
Additional reserves		159
Charges incurred		(21	)
Balance at April 30, 2012		169
Additional reserves		153
Charges incurred		(183	)
Balance at April 30, 2013	$	139

Schedule of inventories

Inventories are stated at the lower of cost or the current estimated market values. Cost is determined using the first-in, first-out method. Inventories consisted of the following:

	April 30,		April 30,
	2013		2012
(Amounts in thousands)
Raw materials and subassemblies	$	2,872	$	1,775
Work-in-process		33		63
Finished goods		760		821
	$	3,665	$	2,659

Net equipment, furniture and fixtures

Net equipment, furniture and fixtures consisted of the following:

	April 30,			April 30,
	2013			2012
(Amounts in thousands)
Plant and machinery	$	757		$	724
Computer equipment		1,662			1,482
Leasehold improvement		201			190
Furniture, fixtures and equipment		96			91
Construction in progress		25			-
		2,741			2,487
Accumulated depreciation and amortization		(2,168	)		(2,005	)
Net equipment, furniture and fixtures	$	573		$	482