|
Industry, Segment and Geographic Information (Details 3)
|
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2012
Customer
|
Dec. 31, 2011
Customer
|
Dec. 31, 2010
Customer
|
|
|
Top five customers
|
|||
| Significant Customers | |||
| Number of customers | 5 | 5 | 5 |
|
Net sales | Customer concentration risk
|
|||
| Significant Customers | |||
| Number of customers | 3 | ||
| Percentage of concentration risk | 10.00% | ||
|
Net sales | CDW Corporation
|
|||
| Significant Customers | |||
| Percentage of concentration risk | 12.40% | 14.00% | 15.80% |
|
Net sales | Insight
|
|||
| Significant Customers | |||
| Percentage of concentration risk | 11.10% | 11.00% | |
|
Net sales | Software House International
|
|||
| Significant Customers | |||
| Percentage of concentration risk | 13.40% | 10.50% | |
|
Net sales | Top five customers
|
|||
| Significant Customers | |||
| Percentage of concentration risk | 44.00% | 42.00% | 44.00% |
|
Net accounts receivable | CDW Corporation
|
|||
| Significant Customers | |||
| Percentage of concentration risk | 9.60% | ||
|
Net accounts receivable | Insight
|
|||
| Significant Customers | |||
| Percentage of concentration risk | 8.30% | ||
|
Net accounts receivable | Software House International
|
|||
| Significant Customers | |||
| Percentage of concentration risk | 12.00% | ||