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</LabelSeparator><Level>2</Level><ElementName>cui_LineOfCreditFacilitiesTextBlock</ElementName><ElementPrefix>cui_</ElementPrefix><IsBaseElement>false</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="P01_01_2013To06_30_2013" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>              &lt;table border="0" style="clear:both;width:100%; table-layout:fixed;"&gt;  &lt;tr&gt;  &lt;td&gt;&lt;/td&gt;  &lt;/tr&gt;  &lt;/table&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif "&gt;  &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0in 0in 0pt; FONT-SIZE: 10pt"&gt;  &lt;table style="clear:both;MARGIN-TOP: 0pt; FONT: bold 10pt Times New Roman, Times, Serif; MARGIN-BOTTOM: 0pt"   cellspacing="0" cellpadding="0" width="100%"&gt;  &lt;tr style="VERTICAL-ALIGN: top"&gt;  &lt;td style="WIDTH: 0.25in"&gt;  &lt;div&gt;&lt;font style="FONT-WEIGHT: normal"&gt;6.&lt;/font&gt;&lt;/div&gt;  &lt;/td&gt;  &lt;td&gt;  &lt;div&gt;&lt;u&gt;WORKING CAPITAL LINE OF CREDIT&lt;/u&gt;&lt;/div&gt;  &lt;/td&gt;  &lt;/tr&gt;  &lt;/table&gt;  &lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  &amp;#160;&lt;/div&gt;    &lt;div style="clear:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif"&gt;  At June 30, 2013, the Company maintained a $&lt;font style=" FONT-SIZE: 10pt"&gt;4,000,000&lt;/font&gt; revolving working capital line  of credit with the Business Credit division of Wells Fargo Capital  Finance, part of Wells Fargo Bank, National Association (NYSE:  WFC), interest is&amp;#160;payable monthly at the Daily &lt;font style=" FONT-SIZE: 10pt"&gt;Three&lt;/font&gt; Month LIBOR plus &lt;font style=" FONT-SIZE: 10pt"&gt;3.25&lt;/font&gt;% (&lt;font style=" FONT-SIZE: 10pt"&gt;3.5256&lt;/font&gt;% at June 30, 2013). Effective  April 3, 2012, the Wells Fargo LOC expiration was extended to &lt;font  style=" FONT-SIZE: 10pt"&gt;July 31, 2015&lt;/font&gt;. As of the date of  this filing, the Company is compliant with all covenants on the  line of credit with Wells Fargo Capital Finance. At June 30, 2013,  there was no balance outstanding on the line of credit.&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>Line of Credit Facilities</ElementDefenition><ElementReferences>No definition available.</ElementReferences><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Working Capital Line Of Credit</Label></Row></Rows><Footnotes /><IsEquityReport>false</IsEquityReport><ReportName>WORKING CAPITAL LINE OF CREDIT</ReportName><MonetaryRoundingLevel>UnKnown</MonetaryRoundingLevel><SharesRoundingLevel>UnKnown</SharesRoundingLevel><PerShareRoundingLevel>UnKnown</PerShareRoundingLevel><ExchangeRateRoundingLevel>UnKnown</ExchangeRateRoundingLevel><HasCustomUnits>true</HasCustomUnits><IsEmbedReport>false</IsEmbedReport><IsMultiCurrency>false</IsMultiCurrency><ReportType>Sheet</ReportType><RoleURI>http://www.cuiglobal.com/role/WorkingCapitalLineOfCredit</RoleURI><NumberOfCols>1</NumberOfCols><NumberOfRows>2</NumberOfRows></InstanceReport>
