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SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Nov. 30, 2012
SIGNIFICANT ACCOUNTING POLICIES [Abstract] |  |  |  |
Trade receivables, allowances for doubtful accounts | $ 415,000 | $ 395,000 |  | $ 415,000
Bad debt (income) expense | 20,000 |  | (609,000) |
Bad debt write offs | 206,000 | 0 | 0 |
Inventory write offs | 311,000 | 0 | 0 |
Shares excluded from the calculation of diluted net income (loss) per share | 1,248,631 | 988,642 | 504,309 |
Uncertain tax position, likelihood of being sustained, threshold for recognition | 50.00% |  |  |
Years employment required for eligibility for severance pay | 1 |  |  |
Months severance salary payable per year of employment | 1 |  |  |
Severance pay expenses | $ 588,000 | $ 651,000 | $ 431,000 |
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 FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 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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