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SCHEDULE OF AVAILABLE FOR SALE SHORT-TERM INVESTMENTS (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Marketable Securities [Line Items] |  |
Amortized cost | $ 10,986 | $ 12,077
Gross Unrealized Gain | 3 | 9
Gross Unrealized Loss |  |
Fair Value | 10,989 | 12,086
US Treasury Securities [Member] |  |
Marketable Securities [Line Items] |  |
Amortized cost | 10,986 | 12,077
Gross Unrealized Gain | 3 | 9
Gross Unrealized Loss |  |
Fair Value | $ 10,989 | $ 12,086

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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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