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Supplementary Balance Sheet Information (Details) - Schedule of cash and cash equivalents and short term bank deposits - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Schedule of cash and cash equivalents and short term bank deposits [Abstract]
Cash		$ 4,182	$ 4,221
Cash equivalents			4,039
Total cash and cash equivalents		4,182	8,260
Short-term bank deposits	[1]	$ 14,071	$ 7,180
[1] The average interest rate of short-term deposits is 0.73% and 1.27%, as of December 31, 2021 and 2020, respectively.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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