NET SALES (Deferred revenue and are included in Accrued expenses and other liabilities on the Consolidated Balance Sheets) (Details 3) - USD ($) $ in Thousands |
Mar. 31, 2018 |
Dec. 31, 2017 |
Mar. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|---|---|
| Accrued expenses and other current liabilities | ||||
| Disaggregation of Revenue [Line Items] | ||||
| Deferred current revenue | $ 1,315 | $ 864 | $ 614 | $ 416 |