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</LabelSeparator><Level>2</Level><ElementName>us-gaap_ScheduleOfInventoryCurrentTableTextBlock</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><PreferredLabelRole>terseLabel</PreferredLabelRole><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="c20130501to20130731" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;div style="font-family: 'Times New Roman', Times, serif; font-size: 10pt;"&gt;&lt;div style="text-align: left; text-indent: 0pt; display: block; font-family: Times New Roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;Inventories consisted of the following:&lt;/div&gt;&lt;div style="text-align: left;"&gt;&lt;table cellpadding="0" cellspacing="0" style="width: 100%; font-family: times new roman; font-size: 10pt;"&gt;&lt;tr&gt;&lt;td align="left" valign="bottom" style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td colspan="2" valign="bottom"&gt;&lt;div style="text-align: center; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; font-weight: bold; margin-right: 0pt;"&gt;July 31,&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td colspan="2" valign="bottom"&gt;&lt;div style="text-align: center; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; font-weight: bold; margin-right: 0pt;"&gt;April 30,&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td align="left" valign="bottom" style="padding-bottom: 2px; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="padding-bottom: 2px; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div style="text-align: center; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; font-weight: bold; margin-right: 0pt;"&gt;2013&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="padding-bottom: 2px; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="padding-bottom: 2px; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div style="text-align: center; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; font-weight: bold; margin-right: 0pt;"&gt;2013&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="padding-bottom: 2px; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td align="left" valign="bottom"&gt;&lt;div style="text-align: left; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;(Amounts in thousands)&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" colspan="2" valign="bottom" style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td align="left" valign="bottom" style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" colspan="2" valign="bottom" style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/td&gt;&lt;td align="left" valign="bottom" style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="#cceeff"&gt;&lt;td align="left" valign="bottom" style="width: 76%;"&gt;&lt;div style="text-align: left; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;Raw materials and subassemblies&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="width: 1%; display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="width: 1%;"&gt;&lt;div style="text-align: left; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td align="right" valign="bottom" style="width: 9%;"&gt;&lt;div style="text-align: right; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;2,355&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="width: 1%; display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="width: 1%; display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="width: 1%;"&gt;&lt;div style="text-align: left; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td align="right" valign="bottom" style="width: 9%;"&gt;&lt;div style="text-align: right; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;2,872&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="width: 1%; display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td align="left" valign="bottom" style="width: 76%;"&gt;&lt;div style="text-align: left; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;Work-in-process&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="width: 1%; display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="width: 1%; display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="right" valign="bottom" style="width: 9%;"&gt;&lt;div style="text-align: right; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;183&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="width: 1%; display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="width: 1%; display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="width: 1%; display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="right" valign="bottom" style="width: 9%;"&gt;&lt;div style="text-align: right; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;33&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="width: 1%; display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="#cceeff"&gt;&lt;td align="left" valign="bottom" style="padding-bottom: 2px; width: 76%;"&gt;&lt;div style="text-align: left; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;Finished goods&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="padding-bottom: 2px; width: 1%; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="border-bottom: black 2px solid; width: 1%; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="right" valign="bottom" style="border-bottom: black 2px solid; width: 9%;"&gt;&lt;div style="text-align: right; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;506&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="padding-bottom: 2px; width: 1%; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="padding-bottom: 2px; width: 1%; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="border-bottom: black 2px solid; width: 1%; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="right" valign="bottom" style="border-bottom: black 2px solid; width: 9%;"&gt;&lt;div style="text-align: right; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;760&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="padding-bottom: 2px; width: 1%; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td align="left" valign="bottom" style="padding-bottom: 4px; width: 76%; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="padding-bottom: 4px; width: 1%; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="border-bottom: black 4px double; width: 1%;"&gt;&lt;div style="text-align: left; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td align="right" valign="bottom" style="border-bottom: black 4px double; width: 9%;"&gt;&lt;div style="text-align: right; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;3,044&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="padding-bottom: 4px; width: 1%; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="padding-bottom: 4px; width: 1%; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;td align="left" valign="bottom" style="border-bottom: black 4px double; width: 1%;"&gt;&lt;div style="text-align: left; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td align="right" valign="bottom" style="border-bottom: black 4px double; width: 9%;"&gt;&lt;div style="text-align: right; text-indent: 0pt; display: block; font-family: times new roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;3,665&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" style="padding-bottom: 4px; width: 1%; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align: left; text-indent: 0pt; display: block; font-family: Times New Roman; margin-left: 0pt; font-size: 10pt; margin-right: 0pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt;</NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef

 -Publisher SEC

 -Name Regulation S-X (SX)

 -Number 210

 -Section 2

 -Paragraph 6

 -Subparagraph a,b,c

 -Article 5



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