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font-size: 10pt;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt; font-weight: bold;"&gt;3.&amp;#160;&amp;#160;Accounts Receivable, Net&lt;/div&gt;&lt;div&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;Accounts receivable, net consists of the following:&lt;/div&gt;&lt;div&gt;&lt;br /&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="width: 100%; font-family: 'Times New Roman', Times, serif; font-size: 10pt;"&gt;&lt;tr&gt;&lt;td style="width: 75.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt; font-weight: bold;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="width: 10.04%; vertical-align: bottom;"&gt;&lt;div style="text-align: center; font-family: 'Times New Roman', serif; font-size: 10pt; font-weight: bold;"&gt;June 30,&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt; font-weight: bold;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt; font-weight: bold;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="width: 10.05%; vertical-align: bottom;"&gt;&lt;div style="text-align: center; font-family: 'Times New Roman', serif; font-size: 10pt; font-weight: bold;"&gt;December 31,&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt; font-weight: bold;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width: 75.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt; font-weight: bold;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: #000000 2px solid; width: 10.04%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt; font-weight: bold;"&gt;2013&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt; font-weight: bold;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt; font-weight: bold;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: #000000 2px solid; width: 10.05%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt; font-weight: bold;"&gt;2012&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt; font-weight: bold;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width: 75.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="width: 10.04%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="width: 10.05%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="background-color: #cceeff;"&gt;&lt;td style="width: 75.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;Trade receivables&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 1.07%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 8.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;58,261&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 1.08%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 8.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;50,876&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="background-color: #ffffff;"&gt;&lt;td style="width: 75.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;Unbilled revenue&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 1.07%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 8.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;24,328&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 1.08%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 8.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;12,372&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="background-color: #cceeff;"&gt;&lt;td style="width: 75.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;Other receivables&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="border-bottom: #000000 2px solid; width: 1.07%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="border-bottom: #000000 2px solid; width: 8.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;4,666&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="border-bottom: #000000 2px solid; width: 1.08%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="border-bottom: #000000 2px solid; width: 8.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;6,198&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="background-color: #ffffff;"&gt;&lt;td style="width: 75.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 1.07%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 8.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;87,255&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 1.08%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 8.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;69,446&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="background-color: #cceeff;"&gt;&lt;td style="width: 75.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;Less: Allowance for doubtful accounts&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 1.07%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 8.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;(231&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;)&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 1.08%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 8.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;(287&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;)&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="background-color: #ffffff;"&gt;&lt;td style="width: 75.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;Accounts receivable, net&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="border-bottom: #000000 4px double; width: 1.07%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="border-bottom: #000000 4px double; width: 8.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;87,024&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="border-bottom: #000000 4px double; width: 1.08%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="border-bottom: #000000 4px double; width: 8.97%; vertical-align: bottom;"&gt;&lt;div style="text-align: right; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;69,159&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0.98%; vertical-align: bottom;"&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="text-align: left; text-indent: 18pt; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;&amp;#160;&lt;/div&gt;&lt;div style="text-align: left; font-family: 'Times New Roman', serif; font-size: 10pt;"&gt;Under contract accounting, unbilled revenue on long-term contracts arise when the sales or revenues based on performance&amp;#160;&amp;#160;attainment, though appropriately recognized, cannot be billed yet under terms of the contract as of the balance sheet date.&amp;#160;&amp;#160;Accounts receivable expected to be collected after one year is not material.&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>The entire disclosure for claims held for amounts due a entity, excluding financing receivables. 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