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Organization, Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2011 | Dec. 31, 2013 Supplier Business_Unit Customer Institution | Dec. 31, 2012 Supplier Customer | Dec. 31, 2011 Supplier Customer
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Experience in operation period |  | 30 years |  |
Number of customers concentrated |  | 3 | 2 | 3
Number of suppliers concentrated |  | 1 | 0 | 0
Bank balances |  | $ 11,600,000 | $ 9,100,000 |
Number of financial institutions |  | 2 |  |
Cash and cash equivalents maximum maturity period |  | 3 months |  |
Net inventory |  | 167,000 | 176,000 |
Impairment loss of goodwill | 94,200,000 |  |  |
Long- lived asset impairment charges | 18,700,000 |  |  |
Goodwill and long-lived asset impairment charge amount | 112,900,000 |  |  | 112,904,000
Number of operating groups |  | 2 |  |
Advertising expenses |  | 400,000 | 600,000 | 700,000
Uncertain tax positions |  | 0 |  |
Customer Concentration Risk [Member] | Revenues [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration percentage |  | 77.50% | 61.20% | 54.90%
Customer Concentration Risk [Member] | Accounts receivable [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration percentage |  | 83.00% | 78.00% | 63.00%
Supplier concentration risk [Member] | Accounts payable [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration percentage |  | 28.00% |  |
Leaseholds and Leasehold Improvements [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Long- lived asset impairment charges | 5,300,000 |  |  |
Productivity & Graphics [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Total sales incentives |  | 1,200,000 | 900,000 | 1,200,000
Scenario, Plan [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Bank balances |  |  | 18,600,000 |
Assembled products [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Net inventory |  | 100,000 | 100,000 |
Components [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Net inventory |  | 100,000 | 100,000 |
Other Intangible Assets [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Long- lived asset impairment charges | $ 13,400,000 |  |  |
Minimum [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of the assets |  | 3 years |  |
Minimum [Member] | Customer Concentration Risk [Member] | Revenues [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration percentage |  | 10.00% | 10.00% | 10.00%
Minimum [Member] | Supplier concentration risk [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration percentage |  | 10.00% | 10.00% | 10.00%
Maximum [Member] |  |  |  |
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives of the assets |  | 7 years |  |

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