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SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
SIGNIFICANT ACCOUNTING POLICIES [Abstract] |  |  |
Bad debt expense | $ 0 | $ 0 | $ 0
Inventory write offs | 346 | 1,815 | 110
Additional inventory write-down |  | 1,005 |
Revenue from contract | $ 622 | 2,205 |
Percentage of marketing expenses for which entity receive grants | 50.00% |  |
Grants received presented as a reduction in marketing expenses | $ 215 | $ 55 | $ 150
Shares excluded from the calculation of diluted net income (loss) per share | 1,349,414 | 1,368,220 | 1,353,372
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 | $ 485 | $ 527 | $ 537

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Antidilution -URI http://asc.fasb.org/extlink&oid=6505113 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Diluted Earnings Per Share -URI http://asc.fasb.org/extlink&oid=6510752 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Contingent Stock Agreement -URI http://asc.fasb.org/extlink&oid=6508534 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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