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SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
SIGNIFICANT ACCOUNTING POLICIES [Abstract] |  |  |
Trade receivables, allowances for doubtful accounts | $ 20 | $ 415 |
Bad debt (income) expense |  | 20 |
Bad debt write offs | 395 | 206 |
Inventory write offs | 110 | 311 |
Shares excluded from the calculation of diluted net income (loss) per share | 1,353,372 | 1,248,631 | 988,642
Uncertain tax position, likelihood of being sustained, threshold for recognition | 50.00% |  |
Years employment required for eligibility for severance pay | 1 year |  |
Months severance salary payable per year of employment | 1 month |  |
Severance pay expenses | $ 537 | $ 588 | $ 651
Number of suppliers of certain key components | 1 |  |

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- Definition A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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