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Related Party Transactions - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended |  | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended
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Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 Non-Consolidating Affiliates | Sep. 30, 2012 Non-Consolidating Affiliates | Sep. 30, 2013 Non-Consolidating Affiliates | Sep. 30, 2012 Non-Consolidating Affiliates | Sep. 30, 2012 Customer Which Has Significant Interest In The Company | Sep. 30, 2012 Customer Which Has Significant Interest In The Company | Dec. 31, 2012 Customer Which Has Significant Interest In The Company Maximum | Sep. 30, 2012 Customer In Which Company's Directors Have Controlling Interest | Sep. 30, 2012 Customer In Which Company's Directors Have Controlling Interest | Sep. 30, 2013 Affiliate of Significant Shareholder | Sep. 30, 2013 Affiliate of Significant Shareholder
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percent of ownership held |  |  |  |  |  |  |  |  |  |  | 5.00% |  |  |  |
Recognized net revenues | $ 190 | $ 170 | $ 571 | $ 487 |  |  |  |  | $ 117 | $ 344 |  | $ 53 | $ 143 | $ 190 | $ 571
Cost of revenue |  |  |  |  | 563 | 670 | 1,527 | 1,754 |  |  |  |  |  |  |
Selling, general and administrative expenses |  |  |  |  | 135 | 198 | 356 | 408 |  |  |  |  |  |  |
Investment in equity affiliates |  |  |  |  |  | $ 0 |  | $ 205 |  |  |  |  |  |  |

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- Definition Investment in equity affiliates where investment is between twenty and fifty percent with voting rights or more than twenty percent in other cases. + References No definition available. + Details
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- Definition Amount included in cost of sales related to transactions with related parties incurred and recorded in the statement of operations for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 3 -Subparagraph b -Article 5 + Details
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- Definition Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party. + References No definition available. + Details
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- Definition Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(e)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Related Parties -URI http://asc.fasb.org/extlink&oid=16382449 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07.1(c)) -URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 07 -Paragraph b -Subparagraph 1 -Article 6 + Details
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