|
Description of Business and Summary of Significant Accounting Policies (Details 3) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Product Warranty | |||
| Product warranty period | 2 years | ||
| Changes in the product warranty liability | |||
| Balance at beginning of period | $ 1,155 | $ 1,030 | $ 775 |
| Warranty costs accrued | 1,025 | 1,050 | 727 |
| Warranty claims | (967) | (925) | (472) |
| Balance at end of period | $ 1,213 | $ 1,155 | $ 1,030 |