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Significant Accounting Policies (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Accounting Policies [Abstract] |  |  |  |  |
Weighted average interest rates |  |  | 0.53% |  |
Contract liabilities under deferred revenues |  |  | $ 3,888 | $ 2,490 |
Revenues |  |  | 853 |  |
Revenues included in contract liabilities |  |  | $ 507 |  |
Percentage of deposits on monthly salary |  |  | 8.33% |  |
Severance pay expense |  |  | $ 53 | $ 46 | $ 42
Maximum percentage of realization on ultimate settlement |  |  | 50.00% |  |
Total number of shares subject to outstanding unlisted options (in Shares) | 397,203,840 | 195,263,840 | 18,422,700 | 11,923,400 | 2,673,400

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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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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