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Inventories (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Long Term Inventory [Line Items] |  |
Finished products, Systems at customer locations | $ 4,612 | $ 4,532
Long-term inventory | 1,979 | 1,476
Spare parts included in noncurrent inventory | 1,326 | 1,401
Obsolescence provision | 1,041 | 205
Provision for damages, obsolete, excess and slow-moving inventory | 133 | 283
Amount of inventory write-down | $ 1,174 | $ 488
Minimum [Member] |  |
Long Term Inventory [Line Items] |  |
Customer support, term | 7 years |
Maximum [Member] |  |
Long Term Inventory [Line Items] |  |
Customer support, term | 10 years |

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- Definition Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(d)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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