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SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2012
SIGNIFICANT ACCOUNTING POLICIES [Abstract] |
Schedule of Derivative Liabilities |
|  | Balance sheet |  | December 31, |
|  | location |  | 2011 |  |  | 2012 |
Derivative assets and (liabilities) |  |  |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: |  |  |  |  |  |  |  |  |  |
Foreign exchange forward and options contracts |  | Other accounts receivable and prepaid expenses |  | $ | - |  |  | $ | 728 |
Foreign exchange forward and options contracts |  | Accrued expenses and other liabilities |  | $ | (3,163 | ) |  | $ | - |
Schedule of Change in Provision for Inventory |
|  | December 31, |
|  | 2011 |  |  | 2012 |
Inventory provision, beginning of year |  | $ | 3,103 |  |  | $ | 4,869 |
Increase in inventory provision |  |  | 211 |  |  |  | 939 |
Increase in inventory provision in connection with Microgil's dispute(*) |  |  | 1,789 |  |  |  | - |
Write off |  |  | (205 | ) |  |  | (152 | )
Foreign currency translation adjustments |  |  | (29 | ) |  |  | 151 |
Inventory provision, end of year |  | $ | 4,869 |  |  | $ | 5,807 |
| (*) | For further information see Note 12(a)(4).
Schedule of Property, Plant and Equipment Depreciation Rates |
|  |  | % |
Machinery and manufacturing equipment |  |  | 4-33 |
Office equipment and furniture |  |  | 7-33 |
Motor vehicles |  |  | 10-30 |
Buildings |  |  | 4-5 |
Schedule of Changes in Warranty Accrual |
|  | December 31, |
|  | 2011 |  |  | 2012 |
Warranty provision, beginning of year |  | $ | 1,676 |  |  | $ | 1,978 |
Charged to costs and expenses relating to new sales |  |  | 1,052 |  |  |  | 1,126 |
Acquisition of the business of U.S. Quartz |  |  | 508 |  |  |  | - |
Costs of product warranty claims |  |  | (1,109 | ) |  |  | (937 | )
Foreign currency translation adjustments |  |  | (149 | ) |  |  | 56 |
Warranty provision, end of year |  | $ | 1,978 |  |  | $ | 2,223 |
Schedule of Change in Provision for Doubtful Debts |
|  | December 31, |
|  | 2011 |  |  | 2012 |
Balance at the beginning of the year |  | $ | 331 |  |  | $ | 739 |
Charges to expenses |  |  | 468 |  |  |  | 601 |
Write off |  |  | (51 | ) |  |  | (227 | )
Foreign currency translation adjustments |  |  | (9 | ) |  |  | 14 |
Balance at end of the year |  | $ | 739 |  |  | $ | 1,127 |
Schedule of Liabilities Measured at Fair Value |
|  | December 31, 2011 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Derivatives: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currencies derivatives |  | $ | - |  |  | $ | (3,163 | ) |  | $ | - |  |  | $ | (3,163 | )
Total |  | $ | - |  |  | $ | (3,163 | ) |  | $ | - |  |  | $ | (3,163 | )
|  | December 31, 2012 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Derivatives: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currencies derivatives |  | $ | - |  |  | $ | 728 |  |  | $ | - |  |  | $ | 728 |
Total |  | $ | - |  |  | $ | 728 |  |  | $ | - |  |  | $ | 728 |
Stock Options [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Assumptions Used to Estimate Fair Value |
|  | 2012 |
Dividend yield |  |  | 0 | %
Expected volatility |  |  | 57 | %
Risk-free interest rate |  |  | 0.73 | %
Expected life (in years) |  |  | 4.22 |

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- Definition Tabular disclosure related to assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a recurring and/or nonrecurring basis in periods after initial recognition. Disclosures include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3) as well as transfers between levels 1 and 2. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 6 -Footnote 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a,b,bb) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=7578670&loc=SL7498348-110258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19279-110258 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 33 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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