GENERAL (Narrative) (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||
---|---|---|---|---|
Mar. 31, 2019 |
Dec. 31, 2018 |
Jan. 24, 2019 |
Oct. 17, 2018 |
|
Organization Consolidation and Presentation of Financial Statements [Line Items] | ||||
Accounts receivable pledged to offset accounts payable | $ 1,784 | |||
Accounts Payable [Member] | ||||
Organization Consolidation and Presentation of Financial Statements [Line Items] | ||||
Concentration risk (as a percent) | 48.70% | 58.80% | ||
SMRE [Member] | ||||
Organization Consolidation and Presentation of Financial Statements [Line Items] | ||||
Percentage of acquisition | 56.80% | |||
Kokam [Member] | ||||
Organization Consolidation and Presentation of Financial Statements [Line Items] | ||||
Percentage of acquisition | 94.20% | 74.50% |