Description of Business and Summary of Significant Accounting Policies (Concentration) (Details) $ in Thousands |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2016
USD ($)
item
|
Mar. 31, 2015
USD ($)
|
|
| Revenue from U.S., Canadian and all other international dealers and distributors combined | ||
| Total revenue | $ 43,035 | $ 32,083 |
| International revenue (excluding Canada) as a percent of total revenue | 20.00% | 24.00% |
| Segment Reporting | ||
| Number of operating segments | item | 1 | |
| United States | ||
| Revenue from U.S., Canadian and all other international dealers and distributors combined | ||
| Total revenue | $ 31,375 | $ 21,217 |
| Canada | ||
| Revenue from U.S., Canadian and all other international dealers and distributors combined | ||
| Total revenue | 2,945 | 3,086 |
| All other international sources | ||
| Revenue from U.S., Canadian and all other international dealers and distributors combined | ||
| Total revenue | $ 8,715 | $ 7,780 |