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Concentration of Risk and Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2015
Concentration of Risk and Financial Instruments [Abstract] |
Schedule of Derivative Instruments |
|  | Notional amount |  |  | Fair value |
|  | U.S. Dollars |
Options |  |  |  |  |  |
Buy put options (Buy dollars and Sell NIS) |  |  | 3,000 |  |  |  | 27 |
Sell call options (Sell dollars and Buy NIS) |  |  | 3,000 |  |  |  | (24 | )

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- Definition Tabular disclosure of gains and losses on derivative instruments included in an entity's trading activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 55 -Paragraph 184 -URI http://asc.fasb.org/extlink&oid=51664841&loc=SL5634876-113961 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4F -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624186-113959 + Details
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