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Description of Business and Summary of Significant Accounting Policies (Details 3) (USD $)
In Thousands, unless otherwise specified |
9 Months Ended |
|---|---|
|
Sep. 30, 2013
|
|
| Product Warranty | |
| Product warranty period | 2 years |
| Changes in the product warranty liability | |
| Balance at beginning of period | $ 1,155 |
| Warranty costs accrued | 420 |
| Warranty claims | (414) |
| Balance at end of period | $ 1,161 |