SEGMENT INFORMATION (Details) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2017
USD ($)
|
Sep. 30, 2016
USD ($)
|
Sep. 30, 2017
USD ($)
segment
|
Sep. 30, 2016
USD ($)
|
|
| Segment Reporting [Abstract] | ||||
| Number of operating segments | segment | 1 | |||
| Number of Reportable Segments | segment | 1 | |||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||||
| Total net revenues | $ 37,068 | $ 40,369 | $ 115,719 | $ 128,128 |
| Americas | ||||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||||
| Total net revenues | 22,613 | 25,732 | 75,672 | 78,777 |
| Europe, Middle East and Africa | ||||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||||
| Total net revenues | 11,141 | 10,538 | 31,371 | 34,695 |
| Asia Pacific | ||||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||||
| Total net revenues | 3,314 | 4,099 | 8,676 | 14,656 |
| Geographic Concentration Risk | United States | ||||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||||
| Revenues from sales | $ 21,000 | $ 24,000 | $ 70,100 | $ 74,200 |