v3.19.2

GENERAL (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 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	$ 944
Accounts Payable [Member]
Organization Consolidation and Presentation of Financial Statements [Line Items]
Concentration risk (as a percent)	57.20%	58.80%
SMRE [Member]
Organization Consolidation and Presentation of Financial Statements [Line Items]
Percentage of acquisition	99.40%		56.80%
Kokam [Member]
Organization Consolidation and Presentation of Financial Statements [Line Items]
Percentage of acquisition	94.20%			74.50%

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- Definition

Organization consolidation and presentation of financial statements line items.

+ References

No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The carrying amount, as of the date of the latest financial statement presented, of all assets that are pledged as collateral for the payment of the related debt obligation primarily arising from secured borrowings, repurchase agreements or other current or potential obligations, where the secured party does not have the right by contract or custom to sell or re-pledge the collateral and therefore are not reclassified and separately reported in the statement of financial position.

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