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Shareholders' Equity (Details) - Schedule of the status of the 2011 share incentive plan - Common Stock [Member] - $ / shares | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Shareholders' Equity (Details) - Schedule of the status of the 2011 share incentive plan [Line Items] |  |  |  |
Number of options, outstanding at beginning of year (in Shares) |  | 352,000 | 674,200 | 813,100
Weighted average exercise price, options exercisable at beginning of year |  | $ 0.23 | $ 1.460 | $ 1.490
Number of options, granted (in Shres) | [1] | 64,000 | 156,000 | 118,000
Weighted average exercise price, options grnted | [1] | $ 0.003 | $ 0.003 | $ 0.003
Number of options, exercised (in Shares) |  | (89,500) | (108,200) | (131,800)
Weighted average exercise price, options exercised |  | $ 0.003 | $ 0.003 | $ 0.003
Number of options, forfeited (in Shares) |  | (56,000) | (90,000) | (74,100)
Weighted average exercise price, options forfeited |  | $ 1.233 | $ 0.003 | $ 0.500
Number of options, expired (in Shares) |  | (4,000) | (280,000) | (51,000)
Weighted average exercise price, options expired |  | $ 2.688 | $ 2.947 | $ 2.950
Number of options, outstanding at end of year (in Shares) |  | 266,500 | 352,000 | 674,200
Weighted average exercise price, options exercisable at end of year |  | $ 0.003 | $ 0.23 | $ 1.460
Number of options, exercisable at end of year (in Shares) |  | 23,000 | 34,000 | 350,000
Weighted average exercise price, options exercisable at end of year |  | $ 0.003 | $ 1.49 | $ 2.630
Weighted average grant date fair value of options granted during the year | [2] | $ 1.32 | $ 1.31 | $ 1.46
[1] | In the years ended December 31, 2020 and 2019 and 2018, the options were granted with an exercise price equal to par value of NIS 0.01.
[2] | The fair value of each stock option granted is computed on the date of grant according to the Black-Scholes option pricing model with the following assumptions

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(4) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. + References No definition available. + Details
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